./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1aad33247f971d76666906a40f1ef83019542857 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:31:33,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:31:33,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:31:33,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:31:33,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:31:33,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:31:33,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:31:33,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:31:33,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:31:33,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:31:33,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:31:33,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:31:33,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:31:33,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:31:33,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:31:33,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:31:33,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:31:33,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:31:33,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:31:33,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:31:33,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:31:33,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:31:33,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:31:33,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:31:33,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:31:33,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:31:33,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:31:33,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:31:33,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:31:33,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:31:33,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:31:33,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:31:33,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:31:33,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:31:33,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:31:33,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:31:33,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:31:33,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:31:33,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:31:33,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:31:33,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:31:33,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-12-01 16:31:33,601 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:31:33,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:31:33,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:31:33,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:31:33,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:31:33,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:31:33,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:31:33,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:31:33,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:31:33,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:31:33,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:31:33,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:31:33,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:31:33,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:31:33,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:31:33,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:31:33,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:31:33,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:31:33,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:31:33,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:31:33,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:31:33,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:31:33,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:31:33,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:31:33,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:31:33,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:31:33,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:31:33,613 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aad33247f971d76666906a40f1ef83019542857 [2020-12-01 16:31:33,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:31:33,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:31:33,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:31:33,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:31:33,932 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:31:33,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-12-01 16:31:33,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/data/14a7c29d5/55126c1d3cfe457c84f3a21e26238096/FLAG94206fe6b [2020-12-01 16:31:34,795 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:31:34,795 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-12-01 16:31:34,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/data/14a7c29d5/55126c1d3cfe457c84f3a21e26238096/FLAG94206fe6b [2020-12-01 16:31:35,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/data/14a7c29d5/55126c1d3cfe457c84f3a21e26238096 [2020-12-01 16:31:35,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:31:35,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:31:35,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:35,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:31:35,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:31:35,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:35" (1/1) ... [2020-12-01 16:31:35,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c51e782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:35, skipping insertion in model container [2020-12-01 16:31:35,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:35" (1/1) ... [2020-12-01 16:31:35,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:31:35,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:31:36,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:36,796 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:31:37,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:37,384 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:31:37,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37 WrapperNode [2020-12-01 16:31:37,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:37,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:37,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:31:37,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:31:37,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:37,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:31:37,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:31:37,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:31:37,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... [2020-12-01 16:31:37,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:31:37,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:31:37,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:31:37,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:31:37,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 16:31:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-12-01 16:31:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-12-01 16:31:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-12-01 16:31:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-12-01 16:31:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-12-01 16:31:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-12-01 16:31:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:31:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-12-01 16:31:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-12-01 16:31:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-12-01 16:31:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-12-01 16:31:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-12-01 16:31:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-12-01 16:31:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:31:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-12-01 16:31:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-12-01 16:31:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-12-01 16:31:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-12-01 16:31:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-12-01 16:31:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-12-01 16:31:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:31:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:31:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:31:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:31:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-12-01 16:31:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-12-01 16:31:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:31:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-12-01 16:31:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-12-01 16:31:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:31:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:31:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:31:44,803 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:31:44,804 INFO L298 CfgBuilder]: Removed 85 assume(true) statements. [2020-12-01 16:31:44,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44 BoogieIcfgContainer [2020-12-01 16:31:44,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:31:44,807 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:31:44,807 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:31:44,818 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:31:44,818 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44" (1/1) ... [2020-12-01 16:31:44,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:31:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2020-12-01 16:31:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2020-12-01 16:31:44,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:31:44,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 117 states and 171 transitions. [2020-12-01 16:31:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2020-12-01 16:31:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:31:45,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:46,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2020-12-01 16:31:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2020-12-01 16:31:46,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:31:46,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 127 states and 197 transitions. [2020-12-01 16:31:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 197 transitions. [2020-12-01 16:31:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:31:46,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 137 states and 223 transitions. [2020-12-01 16:31:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2020-12-01 16:31:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:31:47,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 148 states and 250 transitions. [2020-12-01 16:31:47,912 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 250 transitions. [2020-12-01 16:31:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:31:47,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 149 states and 251 transitions. [2020-12-01 16:31:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 251 transitions. [2020-12-01 16:31:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:31:48,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 152 states and 264 transitions. [2020-12-01 16:31:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2020-12-01 16:31:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:31:48,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 153 states and 264 transitions. [2020-12-01 16:31:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 264 transitions. [2020-12-01 16:31:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:31:48,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:31:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 154 states and 265 transitions. [2020-12-01 16:31:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 265 transitions. [2020-12-01 16:31:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:31:49,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 155 states and 265 transitions. [2020-12-01 16:31:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 265 transitions. [2020-12-01 16:31:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:31:49,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 156 states and 265 transitions. [2020-12-01 16:31:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 265 transitions. [2020-12-01 16:31:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:31:49,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 157 states and 266 transitions. [2020-12-01 16:31:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2020-12-01 16:31:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:31:49,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:31:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2020-12-01 16:31:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2020-12-01 16:31:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:31:49,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:31:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 164 states and 281 transitions. [2020-12-01 16:31:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 281 transitions. [2020-12-01 16:31:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:31:49,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:31:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 170 states and 296 transitions. [2020-12-01 16:31:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 296 transitions. [2020-12-01 16:31:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:31:50,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:31:50,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 171 states and 296 transitions. [2020-12-01 16:31:50,230 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 296 transitions. [2020-12-01 16:31:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:31:50,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:31:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 177 states and 311 transitions. [2020-12-01 16:31:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 311 transitions. [2020-12-01 16:31:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:31:50,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:31:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 178 states and 311 transitions. [2020-12-01 16:31:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 311 transitions. [2020-12-01 16:31:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:31:50,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 181 states and 325 transitions. [2020-12-01 16:31:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 325 transitions. [2020-12-01 16:31:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:31:51,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 184 states and 329 transitions. [2020-12-01 16:31:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 329 transitions. [2020-12-01 16:31:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:31:51,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:51,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 185 states and 329 transitions. [2020-12-01 16:31:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 329 transitions. [2020-12-01 16:31:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:31:51,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 190 states and 348 transitions. [2020-12-01 16:31:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 348 transitions. [2020-12-01 16:31:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:31:52,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:52,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 192 states and 353 transitions. [2020-12-01 16:31:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 353 transitions. [2020-12-01 16:31:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:31:52,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 193 states and 353 transitions. [2020-12-01 16:31:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 353 transitions. [2020-12-01 16:31:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:31:52,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 196 states and 364 transitions. [2020-12-01 16:31:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 364 transitions. [2020-12-01 16:31:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:31:53,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 199 states and 370 transitions. [2020-12-01 16:31:53,516 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 370 transitions. [2020-12-01 16:31:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:31:53,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 200 states and 371 transitions. [2020-12-01 16:31:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 371 transitions. [2020-12-01 16:31:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:31:53,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 201 states and 372 transitions. [2020-12-01 16:31:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 372 transitions. [2020-12-01 16:31:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:31:53,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:53,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 202 states and 372 transitions. [2020-12-01 16:31:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 372 transitions. [2020-12-01 16:31:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:31:53,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 205 states and 378 transitions. [2020-12-01 16:31:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 378 transitions. [2020-12-01 16:31:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:31:54,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 206 states and 379 transitions. [2020-12-01 16:31:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 379 transitions. [2020-12-01 16:31:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:31:54,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 210 states and 394 transitions. [2020-12-01 16:31:55,648 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 394 transitions. [2020-12-01 16:31:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:31:55,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:31:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 211 states and 396 transitions. [2020-12-01 16:31:55,752 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2020-12-01 16:31:55,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:31:55,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 212 states and 397 transitions. [2020-12-01 16:31:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 397 transitions. [2020-12-01 16:31:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:31:55,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:56,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 213 states and 398 transitions. [2020-12-01 16:31:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 398 transitions. [2020-12-01 16:31:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:31:56,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:31:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 214 states and 398 transitions. [2020-12-01 16:31:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 398 transitions. [2020-12-01 16:31:56,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:31:56,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:56,256 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 217 states and 403 transitions. [2020-12-01 16:31:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 403 transitions. [2020-12-01 16:31:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:31:56,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 231 states and 440 transitions. [2020-12-01 16:31:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 440 transitions. [2020-12-01 16:31:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:31:58,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:58,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 236 states and 448 transitions. [2020-12-01 16:31:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 448 transitions. [2020-12-01 16:31:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:31:58,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 237 states and 449 transitions. [2020-12-01 16:31:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 449 transitions. [2020-12-01 16:31:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:31:59,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:59,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 238 states and 449 transitions. [2020-12-01 16:31:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 449 transitions. [2020-12-01 16:31:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:59,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 243 states and 457 transitions. [2020-12-01 16:31:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 457 transitions. [2020-12-01 16:31:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:31:59,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 244 states and 457 transitions. [2020-12-01 16:31:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 457 transitions. [2020-12-01 16:31:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:31:59,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 247 states and 462 transitions. [2020-12-01 16:31:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 462 transitions. [2020-12-01 16:31:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:59,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 248 states and 462 transitions. [2020-12-01 16:31:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 462 transitions. [2020-12-01 16:31:59,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:31:59,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 253 states and 470 transitions. [2020-12-01 16:31:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 470 transitions. [2020-12-01 16:31:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:59,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:32:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 254 states and 470 transitions. [2020-12-01 16:32:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 470 transitions. [2020-12-01 16:32:00,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:32:00,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 257 states and 474 transitions. [2020-12-01 16:32:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 474 transitions. [2020-12-01 16:32:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:32:00,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 258 states and 474 transitions. [2020-12-01 16:32:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 474 transitions. [2020-12-01 16:32:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:32:00,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:32:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 259 states and 478 transitions. [2020-12-01 16:32:00,631 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 478 transitions. [2020-12-01 16:32:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:32:00,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 260 states and 478 transitions. [2020-12-01 16:32:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 478 transitions. [2020-12-01 16:32:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:32:00,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:32:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 265 states and 495 transitions. [2020-12-01 16:32:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 495 transitions. [2020-12-01 16:32:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:32:02,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 268 states and 499 transitions. [2020-12-01 16:32:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 499 transitions. [2020-12-01 16:32:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:32:02,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:32:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 269 states and 499 transitions. [2020-12-01 16:32:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 499 transitions. [2020-12-01 16:32:02,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:32:02,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 270 states and 500 transitions. [2020-12-01 16:32:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 500 transitions. [2020-12-01 16:32:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:32:02,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:32:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 271 states and 506 transitions. [2020-12-01 16:32:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 506 transitions. [2020-12-01 16:32:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:32:03,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:03,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 272 states and 506 transitions. [2020-12-01 16:32:03,533 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 506 transitions. [2020-12-01 16:32:03,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:32:03,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 273 states and 507 transitions. [2020-12-01 16:32:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 507 transitions. [2020-12-01 16:32:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:32:03,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:32:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 274 states and 507 transitions. [2020-12-01 16:32:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 507 transitions. [2020-12-01 16:32:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:32:04,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 279 states and 517 transitions. [2020-12-01 16:32:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 517 transitions. [2020-12-01 16:32:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:32:04,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:32:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 280 states and 517 transitions. [2020-12-01 16:32:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 517 transitions. [2020-12-01 16:32:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:32:04,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:04,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 285 states and 527 transitions. [2020-12-01 16:32:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 527 transitions. [2020-12-01 16:32:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:32:04,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:05,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 290 states and 534 transitions. [2020-12-01 16:32:05,106 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 534 transitions. [2020-12-01 16:32:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:32:05,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 292 states and 537 transitions. [2020-12-01 16:32:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 537 transitions. [2020-12-01 16:32:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:32:05,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 293 states and 537 transitions. [2020-12-01 16:32:05,759 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 537 transitions. [2020-12-01 16:32:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:32:05,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 298 states and 547 transitions. [2020-12-01 16:32:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 547 transitions. [2020-12-01 16:32:05,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:32:05,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:32:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 299 states and 547 transitions. [2020-12-01 16:32:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 547 transitions. [2020-12-01 16:32:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:32:06,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:32:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 300 states and 547 transitions. [2020-12-01 16:32:06,405 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 547 transitions. [2020-12-01 16:32:06,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:32:06,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 303 states and 552 transitions. [2020-12-01 16:32:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 552 transitions. [2020-12-01 16:32:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:32:06,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:32:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 304 states and 552 transitions. [2020-12-01 16:32:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 552 transitions. [2020-12-01 16:32:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:32:06,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:07,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 307 states and 557 transitions. [2020-12-01 16:32:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 557 transitions. [2020-12-01 16:32:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:32:07,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:32:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 308 states and 558 transitions. [2020-12-01 16:32:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 558 transitions. [2020-12-01 16:32:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:32:07,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:32:07,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 309 states and 559 transitions. [2020-12-01 16:32:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 559 transitions. [2020-12-01 16:32:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:32:07,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:32:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 310 states and 559 transitions. [2020-12-01 16:32:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 559 transitions. [2020-12-01 16:32:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:32:07,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:32:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 312 states and 561 transitions. [2020-12-01 16:32:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 561 transitions. [2020-12-01 16:32:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:32:08,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:32:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 313 states and 561 transitions. [2020-12-01 16:32:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 561 transitions. [2020-12-01 16:32:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:32:08,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 315 states and 562 transitions. [2020-12-01 16:32:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 562 transitions. [2020-12-01 16:32:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:32:09,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 318 states and 567 transitions. [2020-12-01 16:32:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 567 transitions. [2020-12-01 16:32:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:32:09,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 320 states and 569 transitions. [2020-12-01 16:32:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 569 transitions. [2020-12-01 16:32:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:32:10,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:32:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 323 states and 572 transitions. [2020-12-01 16:32:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 572 transitions. [2020-12-01 16:32:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:32:11,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:11,672 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:32:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 324 states and 572 transitions. [2020-12-01 16:32:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 572 transitions. [2020-12-01 16:32:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:32:12,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 326 states and 573 transitions. [2020-12-01 16:32:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 573 transitions. [2020-12-01 16:32:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:32:12,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:32:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 329 states and 576 transitions. [2020-12-01 16:32:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 576 transitions. [2020-12-01 16:32:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:32:13,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:32:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 330 states and 576 transitions. [2020-12-01 16:32:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 576 transitions. [2020-12-01 16:32:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:32:13,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 332 states and 577 transitions. [2020-12-01 16:32:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 577 transitions. [2020-12-01 16:32:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:32:14,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:32:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 337 states and 584 transitions. [2020-12-01 16:32:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 584 transitions. [2020-12-01 16:32:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:32:14,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 339 states and 587 transitions. [2020-12-01 16:32:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 587 transitions. [2020-12-01 16:32:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:32:15,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:32:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 344 states and 594 transitions. [2020-12-01 16:32:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 594 transitions. [2020-12-01 16:32:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:32:15,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:32:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 349 states and 601 transitions. [2020-12-01 16:32:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 601 transitions. [2020-12-01 16:32:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:32:15,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:16,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 350 states and 603 transitions. [2020-12-01 16:32:16,038 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 603 transitions. [2020-12-01 16:32:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:32:16,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 354 states and 610 transitions. [2020-12-01 16:32:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 610 transitions. [2020-12-01 16:32:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:32:16,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:32:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 360 states and 620 transitions. [2020-12-01 16:32:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 620 transitions. [2020-12-01 16:32:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:32:17,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:32:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 366 states and 630 transitions. [2020-12-01 16:32:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 630 transitions. [2020-12-01 16:32:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:32:18,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:32:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 372 states and 640 transitions. [2020-12-01 16:32:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 640 transitions. [2020-12-01 16:32:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:32:20,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 373 states and 642 transitions. [2020-12-01 16:32:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 642 transitions. [2020-12-01 16:32:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:32:20,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 374 states and 644 transitions. [2020-12-01 16:32:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 644 transitions. [2020-12-01 16:32:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:32:21,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:32:21,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 375 states and 646 transitions. [2020-12-01 16:32:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 646 transitions. [2020-12-01 16:32:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:32:21,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:32:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 384 states and 662 transitions. [2020-12-01 16:32:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 662 transitions. [2020-12-01 16:32:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:32:22,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:32:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 393 states and 678 transitions. [2020-12-01 16:32:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 678 transitions. [2020-12-01 16:32:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:32:24,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:32:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 403 states and 692 transitions. [2020-12-01 16:32:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 692 transitions. [2020-12-01 16:32:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:32:24,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:32:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:25,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 412 states and 708 transitions. [2020-12-01 16:32:25,739 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 708 transitions. [2020-12-01 16:32:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 16:32:25,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:32:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 422 states and 722 transitions. [2020-12-01 16:32:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 722 transitions. [2020-12-01 16:32:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:32:25,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:32:26,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 432 states and 736 transitions. [2020-12-01 16:32:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 736 transitions. [2020-12-01 16:32:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 16:32:26,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:32:27,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 436 states and 743 transitions. [2020-12-01 16:32:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 743 transitions. [2020-12-01 16:32:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:32:27,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:32:28,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 440 states and 750 transitions. [2020-12-01 16:32:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 750 transitions. [2020-12-01 16:32:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:32:28,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:32:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 444 states and 757 transitions. [2020-12-01 16:32:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 757 transitions. [2020-12-01 16:32:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:32:29,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:32:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 445 states and 759 transitions. [2020-12-01 16:32:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 759 transitions. [2020-12-01 16:32:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:32:30,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:32:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 446 states and 761 transitions. [2020-12-01 16:32:30,873 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 761 transitions. [2020-12-01 16:32:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:32:30,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:32:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 455 states and 780 transitions. [2020-12-01 16:32:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 780 transitions. [2020-12-01 16:32:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:32:32,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:32:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 456 states and 781 transitions. [2020-12-01 16:32:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 781 transitions. [2020-12-01 16:32:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:32:33,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:32:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 457 states and 782 transitions. [2020-12-01 16:32:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 782 transitions. [2020-12-01 16:32:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:32:34,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:32:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 458 states and 783 transitions. [2020-12-01 16:32:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 783 transitions. [2020-12-01 16:32:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:32:34,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:32:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 467 states and 798 transitions. [2020-12-01 16:32:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 798 transitions. [2020-12-01 16:32:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 16:32:36,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:32:38,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 476 states and 813 transitions. [2020-12-01 16:32:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 813 transitions. [2020-12-01 16:32:38,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:32:38,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:32:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 485 states and 828 transitions. [2020-12-01 16:32:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 828 transitions. [2020-12-01 16:32:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 16:32:40,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 16:32:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 400 states and 679 transitions. [2020-12-01 16:32:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 679 transitions. [2020-12-01 16:32:42,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:32:42,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:42,228 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 16:32:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 312 states and 527 transitions. [2020-12-01 16:32:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 527 transitions. [2020-12-01 16:32:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-01 16:32:44,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 16:32:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 219 states and 371 transitions. [2020-12-01 16:32:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 371 transitions. [2020-12-01 16:32:46,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:32:46,073 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 119 iterations. [2020-12-01 16:32:46,079 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:32:46,685 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2020-12-01 16:32:46,768 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,771 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,771 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,771 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,771 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,771 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,771 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,772 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,774 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,774 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:46,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:32:46 ImpRootNode [2020-12-01 16:32:46,774 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:32:46,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:32:46,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:32:46,775 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:32:46,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44" (3/4) ... [2020-12-01 16:32:46,778 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:32:46,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2020-12-01 16:32:46,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2020-12-01 16:32:46,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-12-01 16:32:46,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2020-12-01 16:32:46,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2020-12-01 16:32:46,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2020-12-01 16:32:46,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2020-12-01 16:32:46,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2020-12-01 16:32:46,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2020-12-01 16:32:46,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2020-12-01 16:32:46,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2020-12-01 16:32:46,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2020-12-01 16:32:46,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 16:32:46,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-01 16:32:46,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 16:32:46,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:32:46,815 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:32:46,997 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4328a7ab-1eb3-467b-8a27-b0968bc295b2/bin/ukojak/witness.graphml [2020-12-01 16:32:46,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:32:46,998 INFO L168 Benchmark]: Toolchain (without parser) took 71663.28 ms. Allocated memory was 107.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 69.0 MB in the beginning and 1.1 GB in the end (delta: -998.4 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:46,998 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory was 42.0 MB in the beginning and 42.0 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:46,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2049.74 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.7 MB in the beginning and 63.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 61.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:46,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.86 ms. Allocated memory is still 130.0 MB. Free memory was 63.0 MB in the beginning and 54.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:47,000 INFO L168 Benchmark]: Boogie Preprocessor took 180.32 ms. Allocated memory is still 130.0 MB. Free memory was 54.0 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:47,000 INFO L168 Benchmark]: RCFGBuilder took 7067.23 ms. Allocated memory was 130.0 MB in the beginning and 320.9 MB in the end (delta: 190.8 MB). Free memory was 45.6 MB in the beginning and 132.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:47,000 INFO L168 Benchmark]: CodeCheck took 61967.02 ms. Allocated memory was 320.9 MB in the beginning and 1.2 GB in the end (delta: 895.5 MB). Free memory was 132.7 MB in the beginning and 1.1 GB in the end (delta: -964.1 MB). Peak memory consumption was 616.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:47,001 INFO L168 Benchmark]: Witness Printer took 222.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:47,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 12 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.2s, OverallIterations: 119, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -128947720 SDtfs, -421285396 SDslu, -615896152 SDs, 0 SdLazy, 459988272 SolverSat, 708322556 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 266.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52140 GetRequests, 51539 SyntacticMatches, 101 SemanticMatches, 500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126834 ImplicationChecksByTransitivity, 40.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 5031 NumberOfCodeBlocks, 5031 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 4913 ConstructedInterpolants, 0 QuantifiedInterpolants, 551289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 118 InterpolantComputations, 105 PerfectInterpolantSequences, 2020/2075 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8053]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8083]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7556]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8007]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7401]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory was 42.0 MB in the beginning and 42.0 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2049.74 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.7 MB in the beginning and 63.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 61.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.86 ms. Allocated memory is still 130.0 MB. Free memory was 63.0 MB in the beginning and 54.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.32 ms. Allocated memory is still 130.0 MB. Free memory was 54.0 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7067.23 ms. Allocated memory was 130.0 MB in the beginning and 320.9 MB in the end (delta: 190.8 MB). Free memory was 45.6 MB in the beginning and 132.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. * CodeCheck took 61967.02 ms. Allocated memory was 320.9 MB in the beginning and 1.2 GB in the end (delta: 895.5 MB). Free memory was 132.7 MB in the beginning and 1.1 GB in the end (delta: -964.1 MB). Peak memory consumption was 616.1 MB. Max. memory is 16.1 GB. * Witness Printer took 222.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...