./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:44:50,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:44:50,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:44:50,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:44:50,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:44:50,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:44:50,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:44:50,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:44:50,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:44:50,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:44:50,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:44:50,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:44:50,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:44:50,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:44:50,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:44:50,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:44:50,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:44:50,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:44:50,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:44:50,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:44:50,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:44:50,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:44:50,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:44:50,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:44:50,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:44:50,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:44:50,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:44:50,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:44:50,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:44:50,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:44:50,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:44:50,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:44:50,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:44:50,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:44:50,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:44:50,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:44:50,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:44:50,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:44:50,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:44:50,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:44:50,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:44:50,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 11:44:50,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:44:50,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:44:50,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:44:50,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:44:50,673 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:44:50,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:44:50,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:44:50,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:44:50,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:44:50,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:44:50,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:44:50,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:44:50,674 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:44:50,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:44:50,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:44:50,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:44:50,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:44:50,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:44:50,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:44:50,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:44:50,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:44:50,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:44:50,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:44:50,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:44:50,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:44:50,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:44:50,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:44:50,676 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer 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(__VERIFIER_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 -> 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 [2019-12-07 11:44:50,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:44:50,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:44:50,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:44:50,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:44:50,785 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:44:50,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 11:44:50,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/6f403d684/b4db861f161847589b2deb009ef4ad28/FLAG247b5e481 [2019-12-07 11:44:51,286 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:44:51,287 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 11:44:51,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/6f403d684/b4db861f161847589b2deb009ef4ad28/FLAG247b5e481 [2019-12-07 11:44:51,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/6f403d684/b4db861f161847589b2deb009ef4ad28 [2019-12-07 11:44:51,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:44:51,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:44:51,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:44:51,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:44:51,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:44:51,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:44:51" (1/1) ... [2019-12-07 11:44:51,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527e28f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:51, skipping insertion in model container [2019-12-07 11:44:51,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:44:51" (1/1) ... [2019-12-07 11:44:51,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:44:51,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:44:52,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:44:52,035 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:44:52,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:44:52,201 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:44:52,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52 WrapperNode [2019-12-07 11:44:52,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:44:52,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:44:52,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:44:52,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:44:52,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:44:52,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:44:52,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:44:52,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:44:52,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... [2019-12-07 11:44:52,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:44:52,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:44:52,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:44:52,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:44:52,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2019-12-07 11:44:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-12-07 11:44:52,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:44:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 11:44:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback [2019-12-07 11:44:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback [2019-12-07 11:44:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 11:44:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:44:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-12-07 11:44:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 11:44:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 11:44:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 11:44:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:44:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 11:44:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:44:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-12-07 11:44:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:44:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:45:00,938 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:45:00,938 INFO L287 CfgBuilder]: Removed 579 assume(true) statements. [2019-12-07 11:45:00,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:45:00 BoogieIcfgContainer [2019-12-07 11:45:00,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:45:00,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:45:00,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:45:00,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:45:00,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:44:51" (1/3) ... [2019-12-07 11:45:00,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4701334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:45:00, skipping insertion in model container [2019-12-07 11:45:00,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:44:52" (2/3) ... [2019-12-07 11:45:00,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4701334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:45:00, skipping insertion in model container [2019-12-07 11:45:00,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:45:00" (3/3) ... [2019-12-07 11:45:00,943 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 11:45:00,949 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:45:00,954 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-12-07 11:45:00,961 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-07 11:45:00,980 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:45:00,981 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:45:00,981 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:45:00,981 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:45:00,981 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:45:00,981 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:45:00,981 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:45:00,981 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:45:01,000 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states. [2019-12-07 11:45:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:45:01,004 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:01,004 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:45:01,005 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:01,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:01,009 INFO L82 PathProgramCache]: Analyzing trace with hash -872278081, now seen corresponding path program 1 times [2019-12-07 11:45:01,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:01,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711995005] [2019-12-07 11:45:01,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:01,364 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711995005] [2019-12-07 11:45:01,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:01,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:45:01,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017211323] [2019-12-07 11:45:01,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:01,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:01,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:01,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:01,382 INFO L87 Difference]: Start difference. First operand 658 states. Second operand 3 states. [2019-12-07 11:45:03,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:03,645 INFO L93 Difference]: Finished difference Result 1915 states and 2837 transitions. [2019-12-07 11:45:03,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:03,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 11:45:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:03,664 INFO L225 Difference]: With dead ends: 1915 [2019-12-07 11:45:03,665 INFO L226 Difference]: Without dead ends: 1253 [2019-12-07 11:45:03,670 INFO L630 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 [2019-12-07 11:45:03,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2019-12-07 11:45:03,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2019-12-07 11:45:03,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1253 states. [2019-12-07 11:45:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1844 transitions. [2019-12-07 11:45:03,746 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1844 transitions. Word has length 19 [2019-12-07 11:45:03,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:03,746 INFO L462 AbstractCegarLoop]: Abstraction has 1253 states and 1844 transitions. [2019-12-07 11:45:03,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1844 transitions. [2019-12-07 11:45:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 11:45:03,748 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:03,748 INFO L410 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] [2019-12-07 11:45:03,748 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:03,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:03,748 INFO L82 PathProgramCache]: Analyzing trace with hash 948805561, now seen corresponding path program 1 times [2019-12-07 11:45:03,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:03,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547414400] [2019-12-07 11:45:03,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:03,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547414400] [2019-12-07 11:45:03,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:03,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:45:03,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375294507] [2019-12-07 11:45:03,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:03,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:03,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:03,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:03,937 INFO L87 Difference]: Start difference. First operand 1253 states and 1844 transitions. Second operand 3 states. [2019-12-07 11:45:04,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:04,100 INFO L93 Difference]: Finished difference Result 3733 states and 5543 transitions. [2019-12-07 11:45:04,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:04,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 11:45:04,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:04,116 INFO L225 Difference]: With dead ends: 3733 [2019-12-07 11:45:04,117 INFO L226 Difference]: Without dead ends: 2492 [2019-12-07 11:45:04,121 INFO L630 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 [2019-12-07 11:45:04,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2019-12-07 11:45:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2480. [2019-12-07 11:45:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2480 states. [2019-12-07 11:45:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3654 transitions. [2019-12-07 11:45:04,205 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3654 transitions. Word has length 26 [2019-12-07 11:45:04,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:04,205 INFO L462 AbstractCegarLoop]: Abstraction has 2480 states and 3654 transitions. [2019-12-07 11:45:04,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3654 transitions. [2019-12-07 11:45:04,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 11:45:04,208 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:04,208 INFO L410 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] [2019-12-07 11:45:04,208 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:04,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash -651797967, now seen corresponding path program 1 times [2019-12-07 11:45:04,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:04,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092877535] [2019-12-07 11:45:04,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:04,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092877535] [2019-12-07 11:45:04,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:04,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:45:04,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113931514] [2019-12-07 11:45:04,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:04,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:04,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:04,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:04,339 INFO L87 Difference]: Start difference. First operand 2480 states and 3654 transitions. Second operand 3 states. [2019-12-07 11:45:04,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:04,452 INFO L93 Difference]: Finished difference Result 7410 states and 10923 transitions. [2019-12-07 11:45:04,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:04,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 11:45:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:04,474 INFO L225 Difference]: With dead ends: 7410 [2019-12-07 11:45:04,474 INFO L226 Difference]: Without dead ends: 4942 [2019-12-07 11:45:04,479 INFO L630 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 [2019-12-07 11:45:04,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4942 states. [2019-12-07 11:45:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4942 to 4931. [2019-12-07 11:45:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4931 states. [2019-12-07 11:45:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4931 states to 4931 states and 7270 transitions. [2019-12-07 11:45:04,610 INFO L78 Accepts]: Start accepts. Automaton has 4931 states and 7270 transitions. Word has length 27 [2019-12-07 11:45:04,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:04,610 INFO L462 AbstractCegarLoop]: Abstraction has 4931 states and 7270 transitions. [2019-12-07 11:45:04,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 4931 states and 7270 transitions. [2019-12-07 11:45:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 11:45:04,612 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:04,612 INFO L410 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] [2019-12-07 11:45:04,613 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:04,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:04,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1269100227, now seen corresponding path program 1 times [2019-12-07 11:45:04,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:04,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933810276] [2019-12-07 11:45:04,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:04,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933810276] [2019-12-07 11:45:04,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:04,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:45:04,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001156647] [2019-12-07 11:45:04,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:04,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:04,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:04,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:04,708 INFO L87 Difference]: Start difference. First operand 4931 states and 7270 transitions. Second operand 3 states. [2019-12-07 11:45:04,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:04,815 INFO L93 Difference]: Finished difference Result 4936 states and 7274 transitions. [2019-12-07 11:45:04,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:04,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 11:45:04,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:04,842 INFO L225 Difference]: With dead ends: 4936 [2019-12-07 11:45:04,842 INFO L226 Difference]: Without dead ends: 4934 [2019-12-07 11:45:04,845 INFO L630 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 [2019-12-07 11:45:04,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4934 states. [2019-12-07 11:45:04,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4934 to 4932. [2019-12-07 11:45:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2019-12-07 11:45:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 7271 transitions. [2019-12-07 11:45:04,972 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 7271 transitions. Word has length 28 [2019-12-07 11:45:04,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:04,972 INFO L462 AbstractCegarLoop]: Abstraction has 4932 states and 7271 transitions. [2019-12-07 11:45:04,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 7271 transitions. [2019-12-07 11:45:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 11:45:04,973 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:04,973 INFO L410 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] [2019-12-07 11:45:04,973 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:04,974 INFO L82 PathProgramCache]: Analyzing trace with hash 687402107, now seen corresponding path program 1 times [2019-12-07 11:45:04,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:04,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638864857] [2019-12-07 11:45:04,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:05,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638864857] [2019-12-07 11:45:05,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:05,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:45:05,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733662865] [2019-12-07 11:45:05,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:05,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:05,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:05,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:05,055 INFO L87 Difference]: Start difference. First operand 4932 states and 7271 transitions. Second operand 3 states. [2019-12-07 11:45:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:05,117 INFO L93 Difference]: Finished difference Result 4932 states and 7271 transitions. [2019-12-07 11:45:05,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:05,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-12-07 11:45:05,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:05,137 INFO L225 Difference]: With dead ends: 4932 [2019-12-07 11:45:05,137 INFO L226 Difference]: Without dead ends: 4930 [2019-12-07 11:45:05,139 INFO L630 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 [2019-12-07 11:45:05,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2019-12-07 11:45:05,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 4930. [2019-12-07 11:45:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4930 states. [2019-12-07 11:45:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4930 states to 4930 states and 7269 transitions. [2019-12-07 11:45:05,246 INFO L78 Accepts]: Start accepts. Automaton has 4930 states and 7269 transitions. Word has length 29 [2019-12-07 11:45:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:05,246 INFO L462 AbstractCegarLoop]: Abstraction has 4930 states and 7269 transitions. [2019-12-07 11:45:05,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4930 states and 7269 transitions. [2019-12-07 11:45:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 11:45:05,247 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:05,247 INFO L410 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] [2019-12-07 11:45:05,248 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:05,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:05,248 INFO L82 PathProgramCache]: Analyzing trace with hash -165370419, now seen corresponding path program 1 times [2019-12-07 11:45:05,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:05,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791903151] [2019-12-07 11:45:05,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:05,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791903151] [2019-12-07 11:45:05,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:05,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:45:05,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553192394] [2019-12-07 11:45:05,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:05,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:05,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:05,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:05,325 INFO L87 Difference]: Start difference. First operand 4930 states and 7269 transitions. Second operand 3 states. [2019-12-07 11:45:05,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:05,391 INFO L93 Difference]: Finished difference Result 4930 states and 7269 transitions. [2019-12-07 11:45:05,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:05,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-12-07 11:45:05,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:05,411 INFO L225 Difference]: With dead ends: 4930 [2019-12-07 11:45:05,411 INFO L226 Difference]: Without dead ends: 4921 [2019-12-07 11:45:05,413 INFO L630 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 [2019-12-07 11:45:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4921 states. [2019-12-07 11:45:05,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4921 to 4921. [2019-12-07 11:45:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4921 states. [2019-12-07 11:45:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 4921 states and 7256 transitions. [2019-12-07 11:45:05,557 INFO L78 Accepts]: Start accepts. Automaton has 4921 states and 7256 transitions. Word has length 30 [2019-12-07 11:45:05,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:05,558 INFO L462 AbstractCegarLoop]: Abstraction has 4921 states and 7256 transitions. [2019-12-07 11:45:05,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 4921 states and 7256 transitions. [2019-12-07 11:45:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 11:45:05,560 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:05,560 INFO L410 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] [2019-12-07 11:45:05,560 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:05,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:05,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1391700953, now seen corresponding path program 1 times [2019-12-07 11:45:05,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:05,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218802060] [2019-12-07 11:45:05,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:05,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218802060] [2019-12-07 11:45:05,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:05,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:45:05,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447631838] [2019-12-07 11:45:05,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:05,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:05,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:05,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:05,650 INFO L87 Difference]: Start difference. First operand 4921 states and 7256 transitions. Second operand 3 states. [2019-12-07 11:45:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:06,015 INFO L93 Difference]: Finished difference Result 13448 states and 19953 transitions. [2019-12-07 11:45:06,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:06,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-12-07 11:45:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:06,049 INFO L225 Difference]: With dead ends: 13448 [2019-12-07 11:45:06,050 INFO L226 Difference]: Without dead ends: 8539 [2019-12-07 11:45:06,060 INFO L630 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 [2019-12-07 11:45:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8539 states. [2019-12-07 11:45:06,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8539 to 8517. [2019-12-07 11:45:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8517 states. [2019-12-07 11:45:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8517 states to 8517 states and 12683 transitions. [2019-12-07 11:45:06,284 INFO L78 Accepts]: Start accepts. Automaton has 8517 states and 12683 transitions. Word has length 49 [2019-12-07 11:45:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:06,285 INFO L462 AbstractCegarLoop]: Abstraction has 8517 states and 12683 transitions. [2019-12-07 11:45:06,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8517 states and 12683 transitions. [2019-12-07 11:45:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 11:45:06,287 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:06,288 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-12-07 11:45:06,288 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:06,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:06,288 INFO L82 PathProgramCache]: Analyzing trace with hash 785729722, now seen corresponding path program 1 times [2019-12-07 11:45:06,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:06,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197326462] [2019-12-07 11:45:06,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:45:06,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197326462] [2019-12-07 11:45:06,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:06,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:45:06,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297855951] [2019-12-07 11:45:06,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:45:06,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:06,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:45:06,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:45:06,396 INFO L87 Difference]: Start difference. First operand 8517 states and 12683 transitions. Second operand 5 states. [2019-12-07 11:45:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:08,878 INFO L93 Difference]: Finished difference Result 25559 states and 38051 transitions. [2019-12-07 11:45:08,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:45:08,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2019-12-07 11:45:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:08,907 INFO L225 Difference]: With dead ends: 25559 [2019-12-07 11:45:08,907 INFO L226 Difference]: Without dead ends: 17054 [2019-12-07 11:45:08,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:45:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17054 states. [2019-12-07 11:45:09,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17054 to 8541. [2019-12-07 11:45:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8541 states. [2019-12-07 11:45:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8541 states to 8541 states and 12707 transitions. [2019-12-07 11:45:09,196 INFO L78 Accepts]: Start accepts. Automaton has 8541 states and 12707 transitions. Word has length 61 [2019-12-07 11:45:09,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:09,196 INFO L462 AbstractCegarLoop]: Abstraction has 8541 states and 12707 transitions. [2019-12-07 11:45:09,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:45:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 8541 states and 12707 transitions. [2019-12-07 11:45:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 11:45:09,199 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:09,199 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-12-07 11:45:09,199 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:09,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:09,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1043895160, now seen corresponding path program 1 times [2019-12-07 11:45:09,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:09,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611735049] [2019-12-07 11:45:09,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:45:09,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611735049] [2019-12-07 11:45:09,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:09,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:45:09,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139659683] [2019-12-07 11:45:09,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:45:09,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:45:09,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:45:09,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:45:09,312 INFO L87 Difference]: Start difference. First operand 8541 states and 12707 transitions. Second operand 4 states. [2019-12-07 11:45:09,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:09,754 INFO L93 Difference]: Finished difference Result 23179 states and 34663 transitions. [2019-12-07 11:45:09,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:45:09,755 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-12-07 11:45:09,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:09,778 INFO L225 Difference]: With dead ends: 23179 [2019-12-07 11:45:09,778 INFO L226 Difference]: Without dead ends: 14634 [2019-12-07 11:45:09,791 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:45:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14634 states. [2019-12-07 11:45:10,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14634 to 8541. [2019-12-07 11:45:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8541 states. [2019-12-07 11:45:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8541 states to 8541 states and 12699 transitions. [2019-12-07 11:45:10,078 INFO L78 Accepts]: Start accepts. Automaton has 8541 states and 12699 transitions. Word has length 61 [2019-12-07 11:45:10,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:10,078 INFO L462 AbstractCegarLoop]: Abstraction has 8541 states and 12699 transitions. [2019-12-07 11:45:10,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:45:10,078 INFO L276 IsEmpty]: Start isEmpty. Operand 8541 states and 12699 transitions. [2019-12-07 11:45:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 11:45:10,082 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:10,082 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-12-07 11:45:10,082 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:10,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:10,083 INFO L82 PathProgramCache]: Analyzing trace with hash 534422070, now seen corresponding path program 1 times [2019-12-07 11:45:10,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:45:10,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292113045] [2019-12-07 11:45:10,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:45:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:45:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:45:10,951 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:45:10,951 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:45:11,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:45:11 BoogieIcfgContainer [2019-12-07 11:45:11,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:45:11,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:45:11,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:45:11,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:45:11,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:45:00" (3/4) ... [2019-12-07 11:45:11,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:45:11,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:45:11,204 INFO L168 Benchmark]: Toolchain (without parser) took 19885.42 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 931.7 MB in the beginning and 1.5 GB in the end (delta: -588.9 MB). Peak memory consumption was 728.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:45:11,204 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:45:11,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 931.7 MB in the beginning and 992.9 MB in the end (delta: -61.2 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:45:11,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.08 ms. Allocated memory is still 1.1 GB. Free memory was 992.9 MB in the beginning and 971.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:45:11,205 INFO L168 Benchmark]: Boogie Preprocessor took 119.82 ms. Allocated memory is still 1.1 GB. Free memory was 971.5 MB in the beginning and 944.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:45:11,206 INFO L168 Benchmark]: RCFGBuilder took 8491.17 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 902.3 MB). Free memory was 944.6 MB in the beginning and 1.8 GB in the end (delta: -887.6 MB). Peak memory consumption was 835.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:45:11,206 INFO L168 Benchmark]: TraceAbstraction took 10258.55 ms. Allocated memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: 318.8 MB). Free memory was 1.8 GB in the beginning and 1.5 GB in the end (delta: 311.6 MB). Peak memory consumption was 630.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:45:11,207 INFO L168 Benchmark]: Witness Printer took 3.38 ms. Allocated memory is still 2.3 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:45:11,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 883.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 931.7 MB in the beginning and 992.9 MB in the end (delta: -61.2 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.08 ms. Allocated memory is still 1.1 GB. Free memory was 992.9 MB in the beginning and 971.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.82 ms. Allocated memory is still 1.1 GB. Free memory was 971.5 MB in the beginning and 944.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8491.17 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 902.3 MB). Free memory was 944.6 MB in the beginning and 1.8 GB in the end (delta: -887.6 MB). Peak memory consumption was 835.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10258.55 ms. Allocated memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: 318.8 MB). Free memory was 1.8 GB in the beginning and 1.5 GB in the end (delta: 311.6 MB). Peak memory consumption was 630.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.38 ms. Allocated memory is still 2.3 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3653]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4626. Possible FailurePath: [L3676] int LDV_IN_INTERRUPT = 1; [L3677] int ldv_state_variable_2 ; [L3678] struct file *vfd_fops_group2 ; [L3679] struct usb_interface *sasem_driver_group1 ; [L3680] int ref_cnt ; [L3681] struct inode *vfd_fops_group1 ; [L3682] int ldv_state_variable_1 ; [L3683] int usb_counter ; [L3684] int ldv_state_variable_0 ; [L3798-L3800] static struct file_operations const vfd_fops = {& __this_module, & noop_llseek, 0, & vfd_write, 0, 0, 0, 0, & vfd_ioctl, 0, 0, & vfd_open, 0, & vfd_close, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3801-L3803] static struct usb_device_id sasem_usb_id_table[2U] = { {3U, 4538U, 257U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3804-L3809] static struct usb_driver sasem_driver = {"lirc_sasem", & sasem_probe, & sasem_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& sasem_usb_id_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3810] static struct usb_class_driver sasem_class = {(char *)"lcd%d", 0, & vfd_fops, 144}; [L3811-L3814] static struct mutex disconnect_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "disconnect_lock.wait_lock", 0, 0UL}}}}, {& disconnect_lock.wait_list, & disconnect_lock.wait_list}, 0, 0, (void *)(& disconnect_lock), {0, {0, 0}, "disconnect_lock", 0, 0UL}}; [L3815] static int debug ; [L4637] int ldv_retval_0 ; [L4638] int ldv_retval_1 ; [L4641] int ldv_retval_2 ; [L4982] int INTERF_STATE = 0; [L4983] int SERIAL_STATE = 0; [L4984] void *usb_intfdata = 0; [L4985] struct urb *usb_urb = 0; [L4986] struct usb_device *usb_dev = 0; [L4987] int dev_counter = 0; [L4988] int completeFnIntCounter = 0; [L4989] int completeFnBulkCounter = 0; [L4990] void (*completeFnInt)(struct urb * ) ; [L4991] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4665] struct usb_device_id *ldvarg0 ; [L4666] void *tmp ; [L4667] unsigned long ldvarg1 ; [L4668] unsigned long tmp___0 ; [L4669] char *ldvarg7 ; [L4670] void *tmp___1 ; [L4671] loff_t ldvarg4 ; [L4672] loff_t tmp___2 ; [L4673] int ldvarg3 ; [L4674] int tmp___3 ; [L4675] loff_t *ldvarg5 ; [L4676] void *tmp___4 ; [L4677] unsigned int ldvarg2 ; [L4678] unsigned int tmp___5 ; [L4679] size_t ldvarg6 ; [L4680] size_t tmp___6 ; [L4681] int tmp___7 ; [L4682] int tmp___8 ; [L4683] int tmp___9 ; [L4684] int tmp___10 ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4686] tmp = ldv_zalloc(32UL) [L4687] ldvarg0 = (struct usb_device_id *)tmp [L4688] tmp___0 = __VERIFIER_nondet_ulong() [L4689] ldvarg1 = tmp___0 [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4690] tmp___1 = ldv_zalloc(1UL) [L4691] ldvarg7 = (char *)tmp___1 [L4692] tmp___2 = __VERIFIER_nondet_loff_t() [L4693] ldvarg4 = tmp___2 [L4694] tmp___3 = __VERIFIER_nondet_int() [L4695] ldvarg3 = tmp___3 [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4696] tmp___4 = ldv_zalloc(8UL) [L4697] ldvarg5 = (loff_t *)tmp___4 [L4698] tmp___5 = __VERIFIER_nondet_uint() [L4699] ldvarg2 = tmp___5 [L4700] tmp___6 = __VERIFIER_nondet_size_t() [L4701] ldvarg6 = tmp___6 VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4703] ldv_state_variable_1 = 0 [L4704] ref_cnt = 0 [L4705] ldv_state_variable_0 = 1 [L4706] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: [L4740] case 1: VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4741] COND TRUE ldv_state_variable_0 != 0 [L4742] tmp___9 = __VERIFIER_nondet_int() [L4744] case 0: [L4752] case 1: VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4753] COND TRUE ldv_state_variable_0 == 1 [L4624] int tmp ; [L4626] CALL, EXPR ldv_usb_register_driver_18(& sasem_driver, & __this_module, "lirc_sasem") [L4954] ldv_func_ret_type ldv_func_res ; [L4955] int tmp ; [L5322] return __VERIFIER_nondet_int(); [L4957] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4958] ldv_func_res = tmp [L4959] ldv_state_variable_1 = 1 [L4960] usb_counter = 0 [L4644] void *tmp ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4646] tmp = ldv_zalloc(1520UL) [L4647] sasem_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4962] return (ldv_func_res); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4626] tmp = ldv_usb_register_driver_18(& sasem_driver, & __this_module, "lirc_sasem") [L4627] return (tmp); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4754] ldv_retval_1 = sasem_driver_init() [L4755] COND TRUE ldv_retval_1 == 0 [L4756] ldv_state_variable_0 = 3 [L4757] ldv_state_variable_2 = 1 [L4653] void *tmp ; [L4654] void *tmp___0 ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4656] tmp = ldv_zalloc(1032UL) [L4657] vfd_fops_group1 = (struct inode *)tmp [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4658] tmp___0 = ldv_zalloc(360UL) [L4659] vfd_fops_group2 = (struct file *)tmp___0 VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4761] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4711] COND TRUE ldv_state_variable_1 != 0 [L4712] tmp___8 = __VERIFIER_nondet_int() [L4714] case 0: VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4715] COND TRUE ldv_state_variable_1 == 1 [L4367] struct usb_device *dev ; [L4368] struct usb_host_interface *iface_desc ; [L4369] struct usb_endpoint_descriptor *rx_endpoint ; [L4370] struct usb_endpoint_descriptor *tx_endpoint ; [L4371] struct urb *rx_urb ; [L4372] struct urb *tx_urb ; [L4373] struct lirc_driver *driver ; [L4374] struct lirc_buffer *rbuf ; [L4375] int lirc_minor ; [L4376] int num_endpoints ; [L4377] int retval ; [L4378] int vfd_ep_found ; [L4379] int ir_ep_found ; [L4380] int alloc_status ; [L4381] struct sasem_context *context ; [L4382] int i ; [L4383] struct usb_device *tmp ; [L4384] struct usb_endpoint_descriptor *ep ; [L4385] int ep_dir ; [L4386] int ep_type ; [L4387] void *tmp___0 ; [L4388] void *tmp___1 ; [L4389] void *tmp___2 ; [L4390] int tmp___3 ; [L4391] struct lock_class_key __key ; [L4392] int tmp___4 ; [L4394] dev = (struct usb_device *)0 [L4395] iface_desc = (struct usb_host_interface *)0 [L4396] rx_endpoint = (struct usb_endpoint_descriptor *)0 [L4397] tx_endpoint = (struct usb_endpoint_descriptor *)0 [L4398] rx_urb = (struct urb *)0 [L4399] tx_urb = (struct urb *)0 [L4400] driver = (struct lirc_driver *)0 [L4401] rbuf = (struct lirc_buffer *)0 [L4402] lirc_minor = 0 [L4403] retval = 0 [L4404] context = (struct sasem_context *)0 [L4844] struct usb_device *tmp ; [L5095] void *result ; [L5096] void *tmp ; [L3601] void *p ; [L3602] void *tmp ; [L3603] int tmp___0 ; [L3605] tmp___0 = __VERIFIER_nondet_int() [L3606] COND FALSE !(tmp___0 != 0) [L3609] tmp = malloc(size) [L3610] p = tmp [L3612] return (p); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5098] tmp = ldv_malloc(sizeof(struct usb_device)) [L5099] result = tmp VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5100] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5104] return (result); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4846] tmp = ldv_interface_to_usbdev() [L4847] return (tmp); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4407] tmp = interface_to_usbdev(interface) [L4908] struct usb_device *tmp ; [L5109] int tmp ; VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5111] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) [L3635] int tmp ; [L3637] tmp = __VERIFIER_nondet_int() [L3638] return (tmp); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5112] tmp = ldv_undef_int() [L5113] COND TRUE \read(tmp) [L5114] dev_counter = dev_counter + 1 [L5115] usb_dev = data VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5123] return (usb_dev); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4910] tmp = ldv_get_dev(ldv_func_arg1) [L4911] return (tmp); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4408] dev = ldv_usb_get_dev_10(tmp) [L4409] EXPR interface->cur_altsetting [L4409] iface_desc = interface->cur_altsetting [L4410] EXPR iface_desc->desc.bNumEndpoints [L4410] num_endpoints = (int )iface_desc->desc.bNumEndpoints [L4411] ir_ep_found = 0 [L4412] vfd_ep_found = 0 [L4413] i = 0 VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4440] COND FALSE !(i < num_endpoints && (ir_ep_found == 0 || vfd_ep_found == 0)) VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4444] COND TRUE ir_ep_found == 0 [L4447] retval = -19 VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4584] return (retval); [L4584] return (retval); VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4716] ldv_retval_0 = sasem_probe(sasem_driver_group1, (struct usb_device_id const *)ldvarg0) [L4717] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: [L4740] case 1: VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4741] COND TRUE ldv_state_variable_0 != 0 [L4742] tmp___9 = __VERIFIER_nondet_int() [L4744] case 0: VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4745] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4969] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4747] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5201] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5205] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L3653] __VERIFIER_error() VAL [={0:0}, ={0:0}, __this_module={4294967314:4294967304}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={115:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-19, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={97:0}, sasem_driver={89:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={83:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={57:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 658 locations, 5 error locations. Result: UNSAFE, OverallTime: 9.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10013 SDtfs, 8951 SDslu, 10194 SDs, 0 SdLazy, 159 SolverSat, 42 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8541occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 14653 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 27467 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 11:45:12,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:45:12,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:45:12,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:45:12,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:45:12,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:45:12,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:45:12,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:45:12,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:45:12,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:45:12,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:45:12,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:45:12,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:45:12,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:45:12,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:45:12,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:45:12,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:45:12,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:45:12,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:45:12,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:45:12,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:45:12,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:45:12,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:45:12,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:45:12,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:45:12,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:45:12,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:45:12,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:45:12,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:45:12,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:45:12,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:45:12,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:45:12,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:45:12,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:45:12,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:45:12,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:45:12,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:45:12,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:45:12,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:45:12,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:45:12,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:45:12,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 11:45:12,681 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:45:12,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:45:12,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:45:12,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:45:12,682 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:45:12,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:45:12,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:45:12,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:45:12,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:45:12,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:45:12,683 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:45:12,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:45:12,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:45:12,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:45:12,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:45:12,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:45:12,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:45:12,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:45:12,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:45:12,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:45:12,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:45:12,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:45:12,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:45:12,685 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 11:45:12,685 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:45:12,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:45:12,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:45:12,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:45:12,686 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 11:45:12,686 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer 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(__VERIFIER_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 -> 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 [2019-12-07 11:45:12,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:45:12,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:45:12,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:45:12,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:45:12,864 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:45:12,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 11:45:12,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/a9c252aa8/d20b83ffb3214e73a5ffdbb037a8abb4/FLAG24b8e9f44 [2019-12-07 11:45:13,403 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:45:13,403 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 11:45:13,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/a9c252aa8/d20b83ffb3214e73a5ffdbb037a8abb4/FLAG24b8e9f44 [2019-12-07 11:45:13,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/data/a9c252aa8/d20b83ffb3214e73a5ffdbb037a8abb4 [2019-12-07 11:45:13,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:45:13,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:45:13,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:45:13,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:45:13,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:45:13,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:45:13" (1/1) ... [2019-12-07 11:45:13,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4547c604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:13, skipping insertion in model container [2019-12-07 11:45:13,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:45:13" (1/1) ... [2019-12-07 11:45:13,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:45:13,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:45:14,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:45:14,432 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:45:14,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:45:14,614 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:45:14,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14 WrapperNode [2019-12-07 11:45:14,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:45:14,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:45:14,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:45:14,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:45:14,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:45:14,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:45:14,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:45:14,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:45:14,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... [2019-12-07 11:45:14,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:45:14,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:45:14,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:45:14,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:45:14,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:45:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 11:45:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 11:45:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 11:45:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2019-12-07 11:45:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2019-12-07 11:45:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 11:45:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 11:45:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-12-07 11:45:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-12-07 11:45:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 11:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2019-12-07 11:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 11:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2019-12-07 11:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 11:45:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback [2019-12-07 11:45:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback [2019-12-07 11:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 11:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2019-12-07 11:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-12-07 11:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2019-12-07 11:45:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 11:45:14,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 11:45:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 11:45:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 11:45:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 11:45:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 11:45:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:45:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 11:45:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 11:45:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 11:45:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 11:45:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 11:45:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-12-07 11:45:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:45:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:45:39,414 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:45:39,414 INFO L287 CfgBuilder]: Removed 579 assume(true) statements. [2019-12-07 11:45:39,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:45:39 BoogieIcfgContainer [2019-12-07 11:45:39,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:45:39,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:45:39,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:45:39,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:45:39,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:45:13" (1/3) ... [2019-12-07 11:45:39,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55568d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:45:39, skipping insertion in model container [2019-12-07 11:45:39,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:45:14" (2/3) ... [2019-12-07 11:45:39,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55568d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:45:39, skipping insertion in model container [2019-12-07 11:45:39,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:45:39" (3/3) ... [2019-12-07 11:45:39,420 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 11:45:39,426 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:45:39,431 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-12-07 11:45:39,439 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-07 11:45:39,457 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:45:39,457 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:45:39,458 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:45:39,458 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:45:39,458 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:45:39,458 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:45:39,458 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:45:39,458 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:45:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states. [2019-12-07 11:45:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:45:39,481 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:39,482 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:45:39,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:39,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:39,486 INFO L82 PathProgramCache]: Analyzing trace with hash -872278081, now seen corresponding path program 1 times [2019-12-07 11:45:39,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:39,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631148678] [2019-12-07 11:45:39,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:40,394 INFO L264 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:45:40,399 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:40,422 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:40,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631148678] [2019-12-07 11:45:40,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:40,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:45:40,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928659019] [2019-12-07 11:45:40,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:45:40,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:40,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:45:40,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:45:40,446 INFO L87 Difference]: Start difference. First operand 658 states. Second operand 4 states. [2019-12-07 11:45:43,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:43,058 INFO L93 Difference]: Finished difference Result 2525 states and 3747 transitions. [2019-12-07 11:45:43,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:45:43,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 11:45:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:43,080 INFO L225 Difference]: With dead ends: 2525 [2019-12-07 11:45:43,081 INFO L226 Difference]: Without dead ends: 1857 [2019-12-07 11:45:43,086 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:45:43,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2019-12-07 11:45:43,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1857. [2019-12-07 11:45:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1857 states. [2019-12-07 11:45:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2740 transitions. [2019-12-07 11:45:43,184 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2740 transitions. Word has length 19 [2019-12-07 11:45:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:43,185 INFO L462 AbstractCegarLoop]: Abstraction has 1857 states and 2740 transitions. [2019-12-07 11:45:43,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:45:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2740 transitions. [2019-12-07 11:45:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 11:45:43,186 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:43,187 INFO L410 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] [2019-12-07 11:45:43,388 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:45:43,388 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:43,389 INFO L82 PathProgramCache]: Analyzing trace with hash 948805561, now seen corresponding path program 1 times [2019-12-07 11:45:43,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:43,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874181622] [2019-12-07 11:45:43,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:44,247 INFO L264 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 11:45:44,250 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:44,260 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:44,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874181622] [2019-12-07 11:45:44,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:44,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 11:45:44,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446615232] [2019-12-07 11:45:44,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:45:44,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:44,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:45:44,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:45:44,273 INFO L87 Difference]: Start difference. First operand 1857 states and 2740 transitions. Second operand 4 states. [2019-12-07 11:45:44,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:44,628 INFO L93 Difference]: Finished difference Result 5545 states and 8252 transitions. [2019-12-07 11:45:44,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:45:44,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 11:45:44,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:44,650 INFO L225 Difference]: With dead ends: 5545 [2019-12-07 11:45:44,650 INFO L226 Difference]: Without dead ends: 3700 [2019-12-07 11:45:44,656 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:45:44,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2019-12-07 11:45:44,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3688. [2019-12-07 11:45:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3688 states. [2019-12-07 11:45:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 5443 transitions. [2019-12-07 11:45:44,754 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 5443 transitions. Word has length 26 [2019-12-07 11:45:44,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:44,754 INFO L462 AbstractCegarLoop]: Abstraction has 3688 states and 5443 transitions. [2019-12-07 11:45:44,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:45:44,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5443 transitions. [2019-12-07 11:45:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 11:45:44,756 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:44,757 INFO L410 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] [2019-12-07 11:45:44,957 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:45:44,957 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:44,958 INFO L82 PathProgramCache]: Analyzing trace with hash -651797967, now seen corresponding path program 1 times [2019-12-07 11:45:44,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:44,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359997839] [2019-12-07 11:45:44,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:45,855 INFO L264 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 11:45:45,858 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:45,867 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:45,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359997839] [2019-12-07 11:45:45,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:45,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 11:45:45,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899866166] [2019-12-07 11:45:45,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:45:45,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:45,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:45:45,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:45:45,878 INFO L87 Difference]: Start difference. First operand 3688 states and 5443 transitions. Second operand 4 states. [2019-12-07 11:45:46,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:46,201 INFO L93 Difference]: Finished difference Result 14679 states and 21675 transitions. [2019-12-07 11:45:46,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:45:46,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2019-12-07 11:45:46,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:46,246 INFO L225 Difference]: With dead ends: 14679 [2019-12-07 11:45:46,246 INFO L226 Difference]: Without dead ends: 11003 [2019-12-07 11:45:46,255 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:45:46,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11003 states. [2019-12-07 11:45:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11003 to 7333. [2019-12-07 11:45:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7333 states. [2019-12-07 11:45:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 10824 transitions. [2019-12-07 11:45:46,471 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 10824 transitions. Word has length 27 [2019-12-07 11:45:46,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:46,471 INFO L462 AbstractCegarLoop]: Abstraction has 7333 states and 10824 transitions. [2019-12-07 11:45:46,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:45:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 10824 transitions. [2019-12-07 11:45:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 11:45:46,472 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:46,472 INFO L410 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] [2019-12-07 11:45:46,673 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:45:46,673 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:46,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1269100227, now seen corresponding path program 1 times [2019-12-07 11:45:46,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:46,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298445464] [2019-12-07 11:45:46,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:47,503 INFO L264 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:45:47,504 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:47,511 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:47,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298445464] [2019-12-07 11:45:47,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:47,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:45:47,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771259879] [2019-12-07 11:45:47,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:47,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:47,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:47,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:47,516 INFO L87 Difference]: Start difference. First operand 7333 states and 10824 transitions. Second operand 3 states. [2019-12-07 11:45:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:47,746 INFO L93 Difference]: Finished difference Result 10995 states and 16227 transitions. [2019-12-07 11:45:47,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:47,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 11:45:47,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:47,789 INFO L225 Difference]: With dead ends: 10995 [2019-12-07 11:45:47,789 INFO L226 Difference]: Without dead ends: 10993 [2019-12-07 11:45:47,793 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:47,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10993 states. [2019-12-07 11:45:48,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10993 to 10991. [2019-12-07 11:45:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10991 states. [2019-12-07 11:45:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10991 states to 10991 states and 16224 transitions. [2019-12-07 11:45:48,060 INFO L78 Accepts]: Start accepts. Automaton has 10991 states and 16224 transitions. Word has length 28 [2019-12-07 11:45:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:48,060 INFO L462 AbstractCegarLoop]: Abstraction has 10991 states and 16224 transitions. [2019-12-07 11:45:48,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 10991 states and 16224 transitions. [2019-12-07 11:45:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 11:45:48,061 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:48,061 INFO L410 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] [2019-12-07 11:45:48,261 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:45:48,262 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:48,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:48,262 INFO L82 PathProgramCache]: Analyzing trace with hash 687402107, now seen corresponding path program 1 times [2019-12-07 11:45:48,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:48,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476849054] [2019-12-07 11:45:48,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:49,169 INFO L264 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:45:49,171 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:49,176 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:49,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476849054] [2019-12-07 11:45:49,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:49,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:45:49,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142967149] [2019-12-07 11:45:49,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:49,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:49,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:49,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:49,180 INFO L87 Difference]: Start difference. First operand 10991 states and 16224 transitions. Second operand 3 states. [2019-12-07 11:45:49,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:49,442 INFO L93 Difference]: Finished difference Result 10991 states and 16224 transitions. [2019-12-07 11:45:49,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:49,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-12-07 11:45:49,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:49,462 INFO L225 Difference]: With dead ends: 10991 [2019-12-07 11:45:49,462 INFO L226 Difference]: Without dead ends: 10989 [2019-12-07 11:45:49,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:49,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10989 states. [2019-12-07 11:45:49,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10989 to 10989. [2019-12-07 11:45:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10989 states. [2019-12-07 11:45:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10989 states to 10989 states and 16222 transitions. [2019-12-07 11:45:49,722 INFO L78 Accepts]: Start accepts. Automaton has 10989 states and 16222 transitions. Word has length 29 [2019-12-07 11:45:49,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:49,722 INFO L462 AbstractCegarLoop]: Abstraction has 10989 states and 16222 transitions. [2019-12-07 11:45:49,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 10989 states and 16222 transitions. [2019-12-07 11:45:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 11:45:49,723 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:49,723 INFO L410 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] [2019-12-07 11:45:49,923 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 11:45:49,924 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:49,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:49,924 INFO L82 PathProgramCache]: Analyzing trace with hash -165370419, now seen corresponding path program 1 times [2019-12-07 11:45:49,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:49,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820157347] [2019-12-07 11:45:49,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:50,786 INFO L264 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:45:50,788 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:50,793 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:50,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820157347] [2019-12-07 11:45:50,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:50,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:45:50,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160629684] [2019-12-07 11:45:50,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:50,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:50,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:50,797 INFO L87 Difference]: Start difference. First operand 10989 states and 16222 transitions. Second operand 3 states. [2019-12-07 11:45:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:50,999 INFO L93 Difference]: Finished difference Result 10989 states and 16222 transitions. [2019-12-07 11:45:50,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:50,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-12-07 11:45:50,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:51,020 INFO L225 Difference]: With dead ends: 10989 [2019-12-07 11:45:51,020 INFO L226 Difference]: Without dead ends: 10980 [2019-12-07 11:45:51,025 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10980 states. [2019-12-07 11:45:51,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10980 to 10980. [2019-12-07 11:45:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10980 states. [2019-12-07 11:45:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10980 states to 10980 states and 16209 transitions. [2019-12-07 11:45:51,292 INFO L78 Accepts]: Start accepts. Automaton has 10980 states and 16209 transitions. Word has length 30 [2019-12-07 11:45:51,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:51,292 INFO L462 AbstractCegarLoop]: Abstraction has 10980 states and 16209 transitions. [2019-12-07 11:45:51,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:51,292 INFO L276 IsEmpty]: Start isEmpty. Operand 10980 states and 16209 transitions. [2019-12-07 11:45:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 11:45:51,294 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:51,294 INFO L410 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] [2019-12-07 11:45:51,494 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 11:45:51,495 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:51,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:51,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1391700953, now seen corresponding path program 1 times [2019-12-07 11:45:51,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:51,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785859465] [2019-12-07 11:45:51,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:52,395 INFO L264 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:45:52,396 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:52,402 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:45:52,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785859465] [2019-12-07 11:45:52,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:52,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 11:45:52,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875143185] [2019-12-07 11:45:52,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:45:52,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:52,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:45:52,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:52,406 INFO L87 Difference]: Start difference. First operand 10980 states and 16209 transitions. Second operand 3 states. [2019-12-07 11:45:53,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:53,239 INFO L93 Difference]: Finished difference Result 30073 states and 44670 transitions. [2019-12-07 11:45:53,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:45:53,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-12-07 11:45:53,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:53,263 INFO L225 Difference]: With dead ends: 30073 [2019-12-07 11:45:53,263 INFO L226 Difference]: Without dead ends: 19105 [2019-12-07 11:45:53,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:45:53,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19105 states. [2019-12-07 11:45:53,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19105 to 19074. [2019-12-07 11:45:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19074 states. [2019-12-07 11:45:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19074 states to 19074 states and 28427 transitions. [2019-12-07 11:45:53,760 INFO L78 Accepts]: Start accepts. Automaton has 19074 states and 28427 transitions. Word has length 49 [2019-12-07 11:45:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:53,760 INFO L462 AbstractCegarLoop]: Abstraction has 19074 states and 28427 transitions. [2019-12-07 11:45:53,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:45:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 19074 states and 28427 transitions. [2019-12-07 11:45:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 11:45:53,764 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:53,764 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-12-07 11:45:53,964 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 11:45:53,965 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:53,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:53,966 INFO L82 PathProgramCache]: Analyzing trace with hash 785729722, now seen corresponding path program 1 times [2019-12-07 11:45:53,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:53,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134098412] [2019-12-07 11:45:53,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:54,880 INFO L264 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:45:54,882 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:45:54,898 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:45:54,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134098412] [2019-12-07 11:45:54,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:54,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 11:45:54,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208724153] [2019-12-07 11:45:54,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:45:54,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:54,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:45:54,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:45:54,928 INFO L87 Difference]: Start difference. First operand 19074 states and 28427 transitions. Second operand 6 states. [2019-12-07 11:45:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:45:55,949 INFO L93 Difference]: Finished difference Result 51822 states and 77619 transitions. [2019-12-07 11:45:55,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:45:55,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-12-07 11:45:55,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:45:55,986 INFO L225 Difference]: With dead ends: 51822 [2019-12-07 11:45:55,986 INFO L226 Difference]: Without dead ends: 32724 [2019-12-07 11:45:56,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:45:56,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32724 states. [2019-12-07 11:45:56,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32724 to 19074. [2019-12-07 11:45:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19074 states. [2019-12-07 11:45:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19074 states to 19074 states and 28409 transitions. [2019-12-07 11:45:56,604 INFO L78 Accepts]: Start accepts. Automaton has 19074 states and 28409 transitions. Word has length 61 [2019-12-07 11:45:56,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:45:56,604 INFO L462 AbstractCegarLoop]: Abstraction has 19074 states and 28409 transitions. [2019-12-07 11:45:56,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:45:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19074 states and 28409 transitions. [2019-12-07 11:45:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 11:45:56,608 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:45:56,608 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-12-07 11:45:56,808 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 11:45:56,809 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:45:56,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:45:56,810 INFO L82 PathProgramCache]: Analyzing trace with hash 276256632, now seen corresponding path program 1 times [2019-12-07 11:45:56,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:45:56,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85097267] [2019-12-07 11:45:56,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 11:45:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:45:57,781 INFO L264 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:45:57,783 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:45:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:45:57,798 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:45:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:45:57,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85097267] [2019-12-07 11:45:57,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:45:57,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 11:45:57,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981643974] [2019-12-07 11:45:57,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:45:57,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:45:57,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:45:57,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:45:57,819 INFO L87 Difference]: Start difference. First operand 19074 states and 28409 transitions. Second operand 8 states. [2019-12-07 11:46:02,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:46:02,693 INFO L93 Difference]: Finished difference Result 90144 states and 134767 transitions. [2019-12-07 11:46:02,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 11:46:02,694 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2019-12-07 11:46:02,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:46:02,782 INFO L225 Difference]: With dead ends: 90144 [2019-12-07 11:46:02,782 INFO L226 Difference]: Without dead ends: 71082 [2019-12-07 11:46:02,813 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2019-12-07 11:46:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71082 states. [2019-12-07 11:46:03,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71082 to 19614. [2019-12-07 11:46:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19614 states. [2019-12-07 11:46:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19614 states to 19614 states and 29147 transitions. [2019-12-07 11:46:03,942 INFO L78 Accepts]: Start accepts. Automaton has 19614 states and 29147 transitions. Word has length 61 [2019-12-07 11:46:03,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:46:03,942 INFO L462 AbstractCegarLoop]: Abstraction has 19614 states and 29147 transitions. [2019-12-07 11:46:03,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:46:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 19614 states and 29147 transitions. [2019-12-07 11:46:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 11:46:03,945 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:46:03,945 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-12-07 11:46:04,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 11:46:04,146 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:46:04,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:46:04,146 INFO L82 PathProgramCache]: Analyzing trace with hash 534422070, now seen corresponding path program 1 times [2019-12-07 11:46:04,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:46:04,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194253880] [2019-12-07 11:46:04,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_924ad233-5da2-4751-9591-79e1d747abe9/bin/uautomizer/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 11:47:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:48:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:48:13,483 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 11:48:13,483 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:48:13,684 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 11:48:13,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:48:13 BoogieIcfgContainer [2019-12-07 11:48:13,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:48:13,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:48:13,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:48:13,941 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:48:13,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:45:39" (3/4) ... [2019-12-07 11:48:13,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:48:13,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:48:13,944 INFO L168 Benchmark]: Toolchain (without parser) took 180265.07 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 941.6 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-12-07 11:48:13,945 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:48:13,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 941.6 MB in the beginning and 1.0 GB in the end (delta: -94.2 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:48:13,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:48:13,946 INFO L168 Benchmark]: Boogie Preprocessor took 152.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 988.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:48:13,946 INFO L168 Benchmark]: RCFGBuilder took 24518.82 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 775.4 MB). Free memory was 988.1 MB in the beginning and 1.5 GB in the end (delta: -510.4 MB). Peak memory consumption was 993.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:48:13,946 INFO L168 Benchmark]: TraceAbstraction took 154524.30 ms. Allocated memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -446.3 MB). Peak memory consumption was 763.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:48:13,946 INFO L168 Benchmark]: Witness Printer took 2.77 ms. Allocated memory is still 3.2 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:48:13,948 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 933.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 941.6 MB in the beginning and 1.0 GB in the end (delta: -94.2 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 152.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 988.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 24518.82 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 775.4 MB). Free memory was 988.1 MB in the beginning and 1.5 GB in the end (delta: -510.4 MB). Peak memory consumption was 993.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 154524.30 ms. Allocated memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: 1.2 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -446.3 MB). Peak memory consumption was 763.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 3.2 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3653]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4626. Possible FailurePath: [L3676] int LDV_IN_INTERRUPT = 1; [L3677] int ldv_state_variable_2 ; [L3678] struct file *vfd_fops_group2 ; [L3679] struct usb_interface *sasem_driver_group1 ; [L3680] int ref_cnt ; [L3681] struct inode *vfd_fops_group1 ; [L3682] int ldv_state_variable_1 ; [L3683] int usb_counter ; [L3684] int ldv_state_variable_0 ; [L3798-L3800] static struct file_operations const vfd_fops = {& __this_module, & noop_llseek, 0, & vfd_write, 0, 0, 0, 0, & vfd_ioctl, 0, 0, & vfd_open, 0, & vfd_close, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3801-L3803] static struct usb_device_id sasem_usb_id_table[2U] = { {3U, 4538U, 257U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3804-L3809] static struct usb_driver sasem_driver = {"lirc_sasem", & sasem_probe, & sasem_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& sasem_usb_id_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3810] static struct usb_class_driver sasem_class = {(char *)"lcd%d", 0, & vfd_fops, 144}; [L3811-L3814] static struct mutex disconnect_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "disconnect_lock.wait_lock", 0, 0UL}}}}, {& disconnect_lock.wait_list, & disconnect_lock.wait_list}, 0, 0, (void *)(& disconnect_lock), {0, {0, 0}, "disconnect_lock", 0, 0UL}}; [L3815] static int debug ; [L4637] int ldv_retval_0 ; [L4638] int ldv_retval_1 ; [L4641] int ldv_retval_2 ; [L4982] int INTERF_STATE = 0; [L4983] int SERIAL_STATE = 0; [L4984] void *usb_intfdata = 0; [L4985] struct urb *usb_urb = 0; [L4986] struct usb_device *usb_dev = 0; [L4987] int dev_counter = 0; [L4988] int completeFnIntCounter = 0; [L4989] int completeFnBulkCounter = 0; [L4990] void (*completeFnInt)(struct urb * ) ; [L4991] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4665] struct usb_device_id *ldvarg0 ; [L4666] void *tmp ; [L4667] unsigned long ldvarg1 ; [L4668] unsigned long tmp___0 ; [L4669] char *ldvarg7 ; [L4670] void *tmp___1 ; [L4671] loff_t ldvarg4 ; [L4672] loff_t tmp___2 ; [L4673] int ldvarg3 ; [L4674] int tmp___3 ; [L4675] loff_t *ldvarg5 ; [L4676] void *tmp___4 ; [L4677] unsigned int ldvarg2 ; [L4678] unsigned int tmp___5 ; [L4679] size_t ldvarg6 ; [L4680] size_t tmp___6 ; [L4681] int tmp___7 ; [L4682] int tmp___8 ; [L4683] int tmp___9 ; [L4684] int tmp___10 ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4686] tmp = ldv_zalloc(32UL) [L4687] ldvarg0 = (struct usb_device_id *)tmp [L4688] tmp___0 = __VERIFIER_nondet_ulong() [L4689] ldvarg1 = tmp___0 [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4690] tmp___1 = ldv_zalloc(1UL) [L4691] ldvarg7 = (char *)tmp___1 [L4692] tmp___2 = __VERIFIER_nondet_loff_t() [L4693] ldvarg4 = tmp___2 [L4694] tmp___3 = __VERIFIER_nondet_int() [L4695] ldvarg3 = tmp___3 [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4696] tmp___4 = ldv_zalloc(8UL) [L4697] ldvarg5 = (loff_t *)tmp___4 [L4698] tmp___5 = __VERIFIER_nondet_uint() [L4699] ldvarg2 = tmp___5 [L4700] tmp___6 = __VERIFIER_nondet_size_t() [L4701] ldvarg6 = tmp___6 VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4703] ldv_state_variable_1 = 0 [L4704] ref_cnt = 0 [L4705] ldv_state_variable_0 = 1 [L4706] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: [L4740] case 1: VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4741] COND TRUE ldv_state_variable_0 != 0 [L4742] tmp___9 = __VERIFIER_nondet_int() [L4744] case 0: [L4752] case 1: VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4753] COND TRUE ldv_state_variable_0 == 1 [L4624] int tmp ; [L4626] CALL, EXPR ldv_usb_register_driver_18(& sasem_driver, & __this_module, "lirc_sasem") [L4954] ldv_func_ret_type ldv_func_res ; [L4955] int tmp ; [L5322] return __VERIFIER_nondet_int(); [L4957] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4958] ldv_func_res = tmp [L4959] ldv_state_variable_1 = 1 [L4960] usb_counter = 0 [L4644] void *tmp ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4646] tmp = ldv_zalloc(1520UL) [L4647] sasem_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4962] return (ldv_func_res); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4626] tmp = ldv_usb_register_driver_18(& sasem_driver, & __this_module, "lirc_sasem") [L4627] return (tmp); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4754] ldv_retval_1 = sasem_driver_init() [L4755] COND TRUE ldv_retval_1 == 0 [L4756] ldv_state_variable_0 = 3 [L4757] ldv_state_variable_2 = 1 [L4653] void *tmp ; [L4654] void *tmp___0 ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4656] tmp = ldv_zalloc(1032UL) [L4657] vfd_fops_group1 = (struct inode *)tmp [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4658] tmp___0 = ldv_zalloc(360UL) [L4659] vfd_fops_group2 = (struct file *)tmp___0 VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4761] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4711] COND TRUE ldv_state_variable_1 != 0 [L4712] tmp___8 = __VERIFIER_nondet_int() [L4714] case 0: VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4715] COND TRUE ldv_state_variable_1 == 1 [L4367] struct usb_device *dev ; [L4368] struct usb_host_interface *iface_desc ; [L4369] struct usb_endpoint_descriptor *rx_endpoint ; [L4370] struct usb_endpoint_descriptor *tx_endpoint ; [L4371] struct urb *rx_urb ; [L4372] struct urb *tx_urb ; [L4373] struct lirc_driver *driver ; [L4374] struct lirc_buffer *rbuf ; [L4375] int lirc_minor ; [L4376] int num_endpoints ; [L4377] int retval ; [L4378] int vfd_ep_found ; [L4379] int ir_ep_found ; [L4380] int alloc_status ; [L4381] struct sasem_context *context ; [L4382] int i ; [L4383] struct usb_device *tmp ; [L4384] struct usb_endpoint_descriptor *ep ; [L4385] int ep_dir ; [L4386] int ep_type ; [L4387] void *tmp___0 ; [L4388] void *tmp___1 ; [L4389] void *tmp___2 ; [L4390] int tmp___3 ; [L4391] struct lock_class_key __key ; [L4392] int tmp___4 ; [L4394] dev = (struct usb_device *)0 [L4395] iface_desc = (struct usb_host_interface *)0 [L4396] rx_endpoint = (struct usb_endpoint_descriptor *)0 [L4397] tx_endpoint = (struct usb_endpoint_descriptor *)0 [L4398] rx_urb = (struct urb *)0 [L4399] tx_urb = (struct urb *)0 [L4400] driver = (struct lirc_driver *)0 [L4401] rbuf = (struct lirc_buffer *)0 [L4402] lirc_minor = 0 [L4403] retval = 0 [L4404] context = (struct sasem_context *)0 [L4844] struct usb_device *tmp ; [L5095] void *result ; [L5096] void *tmp ; [L3601] void *p ; [L3602] void *tmp ; [L3603] int tmp___0 ; [L3605] tmp___0 = __VERIFIER_nondet_int() [L3606] COND FALSE !(tmp___0 != 0) [L3609] tmp = malloc(size) [L3610] p = tmp [L3612] return (p); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5098] tmp = ldv_malloc(sizeof(struct usb_device)) [L5099] result = tmp VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5100] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5104] return (result); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4846] tmp = ldv_interface_to_usbdev() [L4847] return (tmp); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4407] tmp = interface_to_usbdev(interface) [L4908] struct usb_device *tmp ; [L5109] int tmp ; VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5111] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) [L3635] int tmp ; [L3637] tmp = __VERIFIER_nondet_int() [L3638] return (tmp); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5112] tmp = ldv_undef_int() [L5113] COND TRUE \read(tmp) [L5114] dev_counter = dev_counter + 1 [L5115] usb_dev = data VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5123] return (usb_dev); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4910] tmp = ldv_get_dev(ldv_func_arg1) [L4911] return (tmp); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4408] dev = ldv_usb_get_dev_10(tmp) [L4409] EXPR interface->cur_altsetting [L4409] iface_desc = interface->cur_altsetting [L4410] EXPR iface_desc->desc.bNumEndpoints [L4410] num_endpoints = (int )iface_desc->desc.bNumEndpoints [L4411] ir_ep_found = 0 [L4412] vfd_ep_found = 0 [L4413] i = 0 VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4440] COND FALSE !(i < num_endpoints && (ir_ep_found == 0 || vfd_ep_found == 0)) VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4444] COND TRUE ir_ep_found == 0 [L4447] retval = -19 VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4584] return (retval); [L4584] return (retval); VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4716] ldv_retval_0 = sasem_probe(sasem_driver_group1, (struct usb_device_id const *)ldvarg0) [L4717] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: [L4740] case 1: VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4741] COND TRUE ldv_state_variable_0 != 0 [L4742] tmp___9 = __VERIFIER_nondet_int() [L4744] case 0: VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4745] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4969] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4747] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5201] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5205] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L3653] __VERIFIER_error() VAL [={0:0}, ={0:0}, __this_module={1077936128:0}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={-2097423:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={-1956118617:0}, sasem_driver={-655888471:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={-72368700:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={24:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={-1880249770:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 658 locations, 5 error locations. Result: UNSAFE, OverallTime: 154.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10109 SDtfs, 16873 SDslu, 18842 SDs, 0 SdLazy, 255 SolverSat, 131 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 655 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19614occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 68833 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 69.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 53492 SizeOfPredicates, 14 NumberOfNonLiveVariables, 7512 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...