./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 854f39f1aa3da78411e435171a0ca891537644cf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:42:26,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:42:26,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:42:26,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:42:26,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:42:26,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:42:26,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:42:26,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:42:26,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:42:26,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:42:26,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:42:26,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:42:26,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:42:26,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:42:26,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:42:26,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:42:26,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:42:26,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:42:26,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:42:26,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:42:26,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:42:26,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:42:26,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:42:26,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:42:26,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:42:26,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:42:26,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:42:26,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:42:26,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:42:26,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:42:26,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:42:26,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:42:26,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:42:26,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:42:26,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:42:26,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:42:26,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:42:26,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:42:26,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:42:26,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:42:26,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:42:26,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-19 23:42:26,805 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:42:26,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:42:26,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:42:26,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:42:26,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:42:26,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:42:26,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:42:26,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:42:26,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:42:26,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:42:26,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:42:26,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:42:26,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:42:26,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:42:26,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:42:26,822 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:42:26,822 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:42:26,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:42:26,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:42:26,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:42:26,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:42:26,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:42:26,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:42:26,824 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:42:26,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:42:26,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:42:26,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 23:42:26,825 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/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(__VERIFIER_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 -> 854f39f1aa3da78411e435171a0ca891537644cf [2019-11-19 23:42:27,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:42:27,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:42:27,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:42:27,049 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:42:27,050 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:42:27,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i [2019-11-19 23:42:27,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/data/4f24bccef/0f630f6bcaac43f69e4db7b398d6a7ec/FLAGd81bddd3f [2019-11-19 23:42:28,064 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:42:28,065 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-video-arkfb.ko.cil.out.i [2019-11-19 23:42:28,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/data/4f24bccef/0f630f6bcaac43f69e4db7b398d6a7ec/FLAGd81bddd3f [2019-11-19 23:42:28,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/data/4f24bccef/0f630f6bcaac43f69e4db7b398d6a7ec [2019-11-19 23:42:28,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:42:28,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:42:28,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:42:28,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:42:28,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:42:28,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:42:28" (1/1) ... [2019-11-19 23:42:28,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da3ad4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:28, skipping insertion in model container [2019-11-19 23:42:28,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:42:28" (1/1) ... [2019-11-19 23:42:28,514 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:42:28,617 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:42:30,392 WARN L612 FunctionHandler]: implicit declaration of function ldv_malloc [2019-11-19 23:42:30,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:42:30,493 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:42:30,811 WARN L612 FunctionHandler]: implicit declaration of function ldv_malloc [2019-11-19 23:42:30,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:42:31,111 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:42:31,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31 WrapperNode [2019-11-19 23:42:31,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:42:31,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:42:31,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:42:31,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:42:31,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:42:31,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:42:31,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:42:31,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:42:31,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... [2019-11-19 23:42:31,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:42:31,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:42:31,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:42:31,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:42:31,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:42:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/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 [2019-11-19 23:42:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_release [2019-11-19 23:42:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_release [2019-11-19 23:42:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-19 23:42:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-19 23:42:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_mask [2019-11-19 23:42:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_mask [2019-11-19 23:42:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-19 23:42:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2019-11-19 23:42:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2019-11-19 23:42:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-11-19 23:42:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-11-19 23:42:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:42:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-19 23:42:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-19 23:42:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2019-11-19 23:42:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2019-11-19 23:42:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_set_freq [2019-11-19 23:42:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_set_freq [2019-11-19 23:42:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2019-11-19 23:42:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2019-11-19 23:42:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_set_par [2019-11-19 23:42:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_set_par [2019-11-19 23:42:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2019-11-19 23:42:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2019-11-19 23:42:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-19 23:42:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2019-11-19 23:42:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2019-11-19 23:42:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ark_pci_remove [2019-11-19 23:42:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ark_pci_remove [2019-11-19 23:42:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-11-19 23:42:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-11-19 23:42:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:42:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-19 23:42:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-19 23:42:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-19 23:42:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-19 23:42:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-19 23:42:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-19 23:42:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w [2019-11-19 23:42:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w [2019-11-19 23:42:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure vga_r [2019-11-19 23:42:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_r [2019-11-19 23:42:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wseq_mask [2019-11-19 23:42:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wseq_mask [2019-11-19 23:42:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wcrt [2019-11-19 23:42:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wcrt [2019-11-19 23:42:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure dac_release [2019-11-19 23:42:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_release [2019-11-19 23:42:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_open [2019-11-19 23:42:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_open [2019-11-19 23:42:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-19 23:42:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-19 23:42:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 23:42:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:42:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_cleanup [2019-11-19 23:42:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_cleanup [2019-11-19 23:42:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 23:42:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 23:42:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2019-11-19 23:42:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2019-11-19 23:42:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 23:42:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-19 23:42:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-19 23:42:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2019-11-19 23:42:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2019-11-19 23:42:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_release [2019-11-19 23:42:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_release [2019-11-19 23:42:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure expand_color [2019-11-19 23:42:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_color [2019-11-19 23:42:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2019-11-19 23:42:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2019-11-19 23:42:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-11-19 23:42:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-11-19 23:42:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:42:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-19 23:42:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2019-11-19 23:42:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2019-11-19 23:42:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-11-19 23:42:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-11-19 23:42:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-11-19 23:42:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-11-19 23:42:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure ics5342_set_mode [2019-11-19 23:42:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ics5342_set_mode [2019-11-19 23:42:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure __writeb [2019-11-19 23:42:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __writeb [2019-11-19 23:42:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure dac_set_mode [2019-11-19 23:42:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dac_set_mode [2019-11-19 23:42:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w_fast [2019-11-19 23:42:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w_fast [2019-11-19 23:42:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure arkfb_init [2019-11-19 23:42:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure arkfb_init [2019-11-19 23:42:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rseq [2019-11-19 23:42:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rseq [2019-11-19 23:42:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-19 23:42:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-19 23:42:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-11-19 23:42:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-11-19 23:42:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 23:42:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wseq [2019-11-19 23:42:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wseq [2019-11-19 23:42:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:42:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:42:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure svga_match_format [2019-11-19 23:42:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_match_format [2019-11-19 23:42:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_multi [2019-11-19 23:42:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_multi [2019-11-19 23:42:33,040 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 23:42:33,633 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-11-19 23:42:33,633 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-11-19 23:42:33,924 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 23:42:33,933 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 23:42:51,372 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume !false; [2019-11-19 23:42:51,372 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume false; [2019-11-19 23:42:51,372 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##104: assume !false; [2019-11-19 23:42:51,373 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume false; [2019-11-19 23:44:07,187 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:44:07,188 INFO L285 CfgBuilder]: Removed 202 assume(true) statements. [2019-11-19 23:44:07,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:44:07 BoogieIcfgContainer [2019-11-19 23:44:07,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:44:07,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:44:07,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:44:07,202 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:44:07,202 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:44:07" (1/1) ... [2019-11-19 23:44:07,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:44:07,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 560 states and 808 transitions. [2019-11-19 23:44:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 808 transitions. [2019-11-19 23:44:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:44:07,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 560 states and 806 transitions. [2019-11-19 23:44:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 806 transitions. [2019-11-19 23:44:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:44:15,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 562 states and 808 transitions. [2019-11-19 23:44:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 808 transitions. [2019-11-19 23:44:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:44:26,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 562 states and 803 transitions. [2019-11-19 23:44:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 803 transitions. [2019-11-19 23:44:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:44:26,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 566 states and 842 transitions. [2019-11-19 23:44:26,906 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 842 transitions. [2019-11-19 23:44:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:44:26,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 570 states and 881 transitions. [2019-11-19 23:44:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 881 transitions. [2019-11-19 23:44:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 23:44:27,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 573 states and 885 transitions. [2019-11-19 23:44:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 885 transitions. [2019-11-19 23:44:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 23:44:27,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 574 states and 886 transitions. [2019-11-19 23:44:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 886 transitions. [2019-11-19 23:44:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 23:44:27,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 577 states and 890 transitions. [2019-11-19 23:44:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 890 transitions. [2019-11-19 23:44:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 23:44:28,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 578 states and 891 transitions. [2019-11-19 23:44:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 891 transitions. [2019-11-19 23:44:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 23:44:28,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 579 states and 892 transitions. [2019-11-19 23:44:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 892 transitions. [2019-11-19 23:44:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 23:44:28,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 580 states and 893 transitions. [2019-11-19 23:44:28,777 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 893 transitions. [2019-11-19 23:44:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 23:44:28,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 581 states and 894 transitions. [2019-11-19 23:44:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 894 transitions. [2019-11-19 23:44:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 23:44:29,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:29,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 582 states and 895 transitions. [2019-11-19 23:44:29,246 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 895 transitions. [2019-11-19 23:44:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 23:44:29,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 583 states and 896 transitions. [2019-11-19 23:44:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 896 transitions. [2019-11-19 23:44:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:44:29,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:29,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 584 states and 897 transitions. [2019-11-19 23:44:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 897 transitions. [2019-11-19 23:44:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 23:44:29,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 586 states and 900 transitions. [2019-11-19 23:44:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 900 transitions. [2019-11-19 23:44:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 23:44:29,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 589 states and 904 transitions. [2019-11-19 23:44:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 904 transitions. [2019-11-19 23:44:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:44:30,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 591 states and 907 transitions. [2019-11-19 23:44:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 907 transitions. [2019-11-19 23:44:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 23:44:30,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 594 states and 911 transitions. [2019-11-19 23:44:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 911 transitions. [2019-11-19 23:44:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 23:44:30,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 597 states and 915 transitions. [2019-11-19 23:44:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 915 transitions. [2019-11-19 23:44:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 23:44:31,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 600 states and 919 transitions. [2019-11-19 23:44:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 919 transitions. [2019-11-19 23:44:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 23:44:31,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:32,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:32,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:32,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 610 states and 933 transitions. [2019-11-19 23:44:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 933 transitions. [2019-11-19 23:44:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 23:44:32,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 610 states and 932 transitions. [2019-11-19 23:44:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 932 transitions. [2019-11-19 23:44:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:44:32,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 612 states and 939 transitions. [2019-11-19 23:44:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 939 transitions. [2019-11-19 23:44:33,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 23:44:33,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:34,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 2927 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:34,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 622 states and 953 transitions. [2019-11-19 23:44:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 953 transitions. [2019-11-19 23:44:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 23:44:34,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:44:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 625 states and 957 transitions. [2019-11-19 23:44:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 957 transitions. [2019-11-19 23:44:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:44:34,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 626 states and 958 transitions. [2019-11-19 23:44:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 958 transitions. [2019-11-19 23:44:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 23:44:35,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 631 states and 973 transitions. [2019-11-19 23:44:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 973 transitions. [2019-11-19 23:44:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 23:44:35,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:44:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 634 states and 977 transitions. [2019-11-19 23:44:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 977 transitions. [2019-11-19 23:44:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 23:44:35,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:35,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 635 states and 978 transitions. [2019-11-19 23:44:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 978 transitions. [2019-11-19 23:44:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:44:35,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 640 states and 993 transitions. [2019-11-19 23:44:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 993 transitions. [2019-11-19 23:44:36,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:44:36,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 641 states and 994 transitions. [2019-11-19 23:44:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 994 transitions. [2019-11-19 23:44:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:44:36,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 642 states and 995 transitions. [2019-11-19 23:44:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 995 transitions. [2019-11-19 23:44:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:44:36,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 644 states and 998 transitions. [2019-11-19 23:44:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 998 transitions. [2019-11-19 23:44:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 23:44:37,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:38,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:38,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 650 states and 1011 transitions. [2019-11-19 23:44:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1011 transitions. [2019-11-19 23:44:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 23:44:38,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:38,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 652 states and 1014 transitions. [2019-11-19 23:44:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1014 transitions. [2019-11-19 23:44:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 23:44:38,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 654 states and 1017 transitions. [2019-11-19 23:44:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1017 transitions. [2019-11-19 23:44:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:44:38,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 657 states and 1022 transitions. [2019-11-19 23:44:39,040 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1022 transitions. [2019-11-19 23:44:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 23:44:39,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 663 states and 1033 transitions. [2019-11-19 23:44:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1033 transitions. [2019-11-19 23:44:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:44:39,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:40,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:40,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 669 states and 1046 transitions. [2019-11-19 23:44:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1046 transitions. [2019-11-19 23:44:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 23:44:40,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 671 states and 1048 transitions. [2019-11-19 23:44:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1048 transitions. [2019-11-19 23:44:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:44:40,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 673 states and 1051 transitions. [2019-11-19 23:44:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1051 transitions. [2019-11-19 23:44:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:44:41,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:41,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 675 states and 1055 transitions. [2019-11-19 23:44:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1055 transitions. [2019-11-19 23:44:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:44:41,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 676 states and 1055 transitions. [2019-11-19 23:44:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1055 transitions. [2019-11-19 23:44:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:41,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:41,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 679 states and 1060 transitions. [2019-11-19 23:44:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1060 transitions. [2019-11-19 23:44:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:41,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 681 states and 1063 transitions. [2019-11-19 23:44:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1063 transitions. [2019-11-19 23:44:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:44:41,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 687 states and 1074 transitions. [2019-11-19 23:44:42,193 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1074 transitions. [2019-11-19 23:44:42,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:44:42,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 689 states and 1077 transitions. [2019-11-19 23:44:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1077 transitions. [2019-11-19 23:44:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:42,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 691 states and 1080 transitions. [2019-11-19 23:44:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1080 transitions. [2019-11-19 23:44:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:44:42,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:42,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:42,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 693 states and 1082 transitions. [2019-11-19 23:44:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1082 transitions. [2019-11-19 23:44:42,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:44:42,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 695 states and 1084 transitions. [2019-11-19 23:44:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1084 transitions. [2019-11-19 23:44:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:43,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 697 states and 1087 transitions. [2019-11-19 23:44:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1087 transitions. [2019-11-19 23:44:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:43,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 698 states and 1089 transitions. [2019-11-19 23:44:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1089 transitions. [2019-11-19 23:44:43,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:43,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 700 states and 1093 transitions. [2019-11-19 23:44:43,796 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1093 transitions. [2019-11-19 23:44:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:43,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 701 states and 1093 transitions. [2019-11-19 23:44:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1093 transitions. [2019-11-19 23:44:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:44:43,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 703 states and 1096 transitions. [2019-11-19 23:44:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1096 transitions. [2019-11-19 23:44:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:44:44,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 705 states and 1099 transitions. [2019-11-19 23:44:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1099 transitions. [2019-11-19 23:44:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:44,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 707 states and 1102 transitions. [2019-11-19 23:44:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1102 transitions. [2019-11-19 23:44:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:44:44,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 709 states and 1105 transitions. [2019-11-19 23:44:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1105 transitions. [2019-11-19 23:44:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:44:44,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:45,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 711 states and 1108 transitions. [2019-11-19 23:44:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1108 transitions. [2019-11-19 23:44:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:44:45,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 718 states and 1121 transitions. [2019-11-19 23:44:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1121 transitions. [2019-11-19 23:44:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 23:44:45,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:45,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 720 states and 1123 transitions. [2019-11-19 23:44:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1123 transitions. [2019-11-19 23:44:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:44:45,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 722 states and 1126 transitions. [2019-11-19 23:44:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1126 transitions. [2019-11-19 23:44:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:44:45,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 723 states and 1128 transitions. [2019-11-19 23:44:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1128 transitions. [2019-11-19 23:44:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 23:44:45,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 725 states and 1131 transitions. [2019-11-19 23:44:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1131 transitions. [2019-11-19 23:44:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 23:44:46,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 727 states and 1134 transitions. [2019-11-19 23:44:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1134 transitions. [2019-11-19 23:44:46,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 23:44:46,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 729 states and 1137 transitions. [2019-11-19 23:44:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1137 transitions. [2019-11-19 23:44:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 23:44:46,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:46,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 731 states and 1140 transitions. [2019-11-19 23:44:46,730 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1140 transitions. [2019-11-19 23:44:46,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:44:46,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:46,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 738 states and 1154 transitions. [2019-11-19 23:44:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1154 transitions. [2019-11-19 23:44:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:44:46,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 740 states and 1157 transitions. [2019-11-19 23:44:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1157 transitions. [2019-11-19 23:44:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:44:47,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 743 states and 1161 transitions. [2019-11-19 23:44:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1161 transitions. [2019-11-19 23:44:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:44:47,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 745 states and 1164 transitions. [2019-11-19 23:44:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1164 transitions. [2019-11-19 23:44:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:44:47,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:47,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 747 states and 1167 transitions. [2019-11-19 23:44:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1167 transitions. [2019-11-19 23:44:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 23:44:47,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:44:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 751 states and 1172 transitions. [2019-11-19 23:44:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1172 transitions. [2019-11-19 23:44:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 23:44:48,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 754 states and 1176 transitions. [2019-11-19 23:44:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1176 transitions. [2019-11-19 23:44:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:44:48,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:49,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 2946 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:49,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 757 states and 1181 transitions. [2019-11-19 23:44:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1181 transitions. [2019-11-19 23:44:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 23:44:49,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 759 states and 1184 transitions. [2019-11-19 23:44:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1184 transitions. [2019-11-19 23:44:49,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 23:44:49,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:44:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 763 states and 1189 transitions. [2019-11-19 23:44:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1189 transitions. [2019-11-19 23:44:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 23:44:49,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:50,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 2950 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:50,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 769 states and 1200 transitions. [2019-11-19 23:44:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1200 transitions. [2019-11-19 23:44:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 23:44:50,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:51,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 2948 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:51,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 772 states and 1205 transitions. [2019-11-19 23:44:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1205 transitions. [2019-11-19 23:44:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 23:44:51,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:52,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 2952 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:52,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:44:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 778 states and 1216 transitions. [2019-11-19 23:44:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1216 transitions. [2019-11-19 23:44:53,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 23:44:53,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 784 states and 1229 transitions. [2019-11-19 23:44:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1229 transitions. [2019-11-19 23:44:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-19 23:44:53,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:54,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 23:44:54,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:54,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 784 states and 1228 transitions. [2019-11-19 23:44:54,545 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1228 transitions. [2019-11-19 23:44:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 23:44:54,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:54,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 790 states and 1241 transitions. [2019-11-19 23:44:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1241 transitions. [2019-11-19 23:44:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 23:44:54,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 793 states and 1246 transitions. [2019-11-19 23:44:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1246 transitions. [2019-11-19 23:44:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 23:44:54,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:55,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 795 states and 1249 transitions. [2019-11-19 23:44:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1249 transitions. [2019-11-19 23:44:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 23:44:55,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 800 states and 1258 transitions. [2019-11-19 23:44:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1258 transitions. [2019-11-19 23:44:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 23:44:55,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:56,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 2966 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 23:44:56,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 800 states and 1257 transitions. [2019-11-19 23:44:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1257 transitions. [2019-11-19 23:44:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 23:44:56,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:57,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 2972 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:57,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:44:57,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 803 states and 1261 transitions. [2019-11-19 23:44:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1261 transitions. [2019-11-19 23:44:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 23:44:57,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 806 states and 1266 transitions. [2019-11-19 23:44:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1266 transitions. [2019-11-19 23:44:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 23:44:57,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 808 states and 1269 transitions. [2019-11-19 23:44:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1269 transitions. [2019-11-19 23:44:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 23:44:57,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:44:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 813 states and 1278 transitions. [2019-11-19 23:44:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1278 transitions. [2019-11-19 23:44:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 23:44:58,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:59,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:44:59,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:44:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:44:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 816 states and 1282 transitions. [2019-11-19 23:44:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1282 transitions. [2019-11-19 23:44:59,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 23:44:59,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:44:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:44:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:44:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:44:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 821 states and 1291 transitions. [2019-11-19 23:44:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1291 transitions. [2019-11-19 23:44:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 23:44:59,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:00,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 2975 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:00,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 827 states and 1296 transitions. [2019-11-19 23:45:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1296 transitions. [2019-11-19 23:45:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 23:45:00,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:01,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 2974 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:01,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 830 states and 1300 transitions. [2019-11-19 23:45:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1300 transitions. [2019-11-19 23:45:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 23:45:01,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:02,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:02,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 833 states and 1304 transitions. [2019-11-19 23:45:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1304 transitions. [2019-11-19 23:45:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 23:45:02,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:45:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 834 states and 1305 transitions. [2019-11-19 23:45:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1305 transitions. [2019-11-19 23:45:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 23:45:03,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:45:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 839 states and 1314 transitions. [2019-11-19 23:45:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1314 transitions. [2019-11-19 23:45:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 23:45:03,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:04,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 2977 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:04,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 845 states and 1319 transitions. [2019-11-19 23:45:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1319 transitions. [2019-11-19 23:45:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 23:45:04,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:45:04,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:04,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 846 states and 1320 transitions. [2019-11-19 23:45:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1320 transitions. [2019-11-19 23:45:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 23:45:04,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:05,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 2999 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 23:45:05,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 846 states and 1319 transitions. [2019-11-19 23:45:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1319 transitions. [2019-11-19 23:45:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-19 23:45:05,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:06,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 3014 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:06,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:45:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 850 states and 1326 transitions. [2019-11-19 23:45:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1326 transitions. [2019-11-19 23:45:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 23:45:06,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:07,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 2996 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:07,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:45:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 852 states and 1326 transitions. [2019-11-19 23:45:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1326 transitions. [2019-11-19 23:45:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 23:45:07,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:08,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 3001 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:08,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:45:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 855 states and 1330 transitions. [2019-11-19 23:45:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1330 transitions. [2019-11-19 23:45:08,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 23:45:08,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:09,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 3016 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:09,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:45:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 859 states and 1337 transitions. [2019-11-19 23:45:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1337 transitions. [2019-11-19 23:45:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 23:45:09,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:10,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 2998 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:10,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:45:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:10,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 861 states and 1337 transitions. [2019-11-19 23:45:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1337 transitions. [2019-11-19 23:45:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 23:45:10,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 870 states and 1353 transitions. [2019-11-19 23:45:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1353 transitions. [2019-11-19 23:45:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 23:45:11,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:12,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 3003 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:12,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:45:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 873 states and 1357 transitions. [2019-11-19 23:45:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1357 transitions. [2019-11-19 23:45:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 23:45:12,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:12,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 877 states and 1364 transitions. [2019-11-19 23:45:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1364 transitions. [2019-11-19 23:45:12,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 23:45:12,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 887 states and 1381 transitions. [2019-11-19 23:45:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1381 transitions. [2019-11-19 23:45:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 23:45:12,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 896 states and 1397 transitions. [2019-11-19 23:45:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1397 transitions. [2019-11-19 23:45:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 23:45:12,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 900 states and 1404 transitions. [2019-11-19 23:45:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1404 transitions. [2019-11-19 23:45:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 23:45:12,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 910 states and 1421 transitions. [2019-11-19 23:45:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1421 transitions. [2019-11-19 23:45:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 23:45:13,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 914 states and 1427 transitions. [2019-11-19 23:45:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1427 transitions. [2019-11-19 23:45:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 23:45:13,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 918 states and 1433 transitions. [2019-11-19 23:45:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1433 transitions. [2019-11-19 23:45:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 23:45:13,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 23:45:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 923 states and 1439 transitions. [2019-11-19 23:45:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1439 transitions. [2019-11-19 23:45:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 23:45:13,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 23:45:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 927 states and 1444 transitions. [2019-11-19 23:45:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1444 transitions. [2019-11-19 23:45:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 23:45:13,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 23:45:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 932 states and 1450 transitions. [2019-11-19 23:45:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1450 transitions. [2019-11-19 23:45:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 23:45:13,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:14,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:14,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:45:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 934 states and 1450 transitions. [2019-11-19 23:45:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1450 transitions. [2019-11-19 23:45:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-19 23:45:14,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 23:45:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 939 states and 1456 transitions. [2019-11-19 23:45:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1456 transitions. [2019-11-19 23:45:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 23:45:15,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 23:45:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 943 states and 1461 transitions. [2019-11-19 23:45:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1461 transitions. [2019-11-19 23:45:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 23:45:15,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 23:45:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 948 states and 1467 transitions. [2019-11-19 23:45:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1467 transitions. [2019-11-19 23:45:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 23:45:15,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:16,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 3039 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:16,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:45:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 950 states and 1467 transitions. [2019-11-19 23:45:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1467 transitions. [2019-11-19 23:45:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 23:45:16,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 955 states and 1474 transitions. [2019-11-19 23:45:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1474 transitions. [2019-11-19 23:45:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 23:45:16,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 960 states and 1481 transitions. [2019-11-19 23:45:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1481 transitions. [2019-11-19 23:45:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 23:45:16,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 967 states and 1491 transitions. [2019-11-19 23:45:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1491 transitions. [2019-11-19 23:45:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 23:45:16,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 974 states and 1501 transitions. [2019-11-19 23:45:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1501 transitions. [2019-11-19 23:45:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 23:45:17,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 974 states and 1500 transitions. [2019-11-19 23:45:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1500 transitions. [2019-11-19 23:45:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 23:45:17,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 976 states and 1502 transitions. [2019-11-19 23:45:17,757 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1502 transitions. [2019-11-19 23:45:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 23:45:17,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:18,320 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-11-19 23:45:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 978 states and 1504 transitions. [2019-11-19 23:45:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1504 transitions. [2019-11-19 23:45:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 23:45:18,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 982 states and 1510 transitions. [2019-11-19 23:45:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1510 transitions. [2019-11-19 23:45:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 23:45:18,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 993 states and 1527 transitions. [2019-11-19 23:45:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1527 transitions. [2019-11-19 23:45:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 23:45:18,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 997 states and 1533 transitions. [2019-11-19 23:45:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1533 transitions. [2019-11-19 23:45:19,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 23:45:19,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1008 states and 1550 transitions. [2019-11-19 23:45:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1550 transitions. [2019-11-19 23:45:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 23:45:19,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:19,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1009 states and 1551 transitions. [2019-11-19 23:45:19,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1551 transitions. [2019-11-19 23:45:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 23:45:19,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:45:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:19,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1010 states and 1552 transitions. [2019-11-19 23:45:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1552 transitions. [2019-11-19 23:45:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 23:45:19,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1013 states and 1556 transitions. [2019-11-19 23:45:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1556 transitions. [2019-11-19 23:45:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-19 23:45:20,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1016 states and 1560 transitions. [2019-11-19 23:45:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1560 transitions. [2019-11-19 23:45:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-19 23:45:20,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1017 states and 1561 transitions. [2019-11-19 23:45:20,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1561 transitions. [2019-11-19 23:45:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-19 23:45:20,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:45:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1018 states and 1562 transitions. [2019-11-19 23:45:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1562 transitions. [2019-11-19 23:45:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-11-19 23:45:21,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:22,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 4822 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:22,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2019-11-19 23:45:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1105 states and 1743 transitions. [2019-11-19 23:45:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1743 transitions. [2019-11-19 23:45:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-11-19 23:45:23,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:24,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 4824 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:24,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2019-11-19 23:45:25,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1192 states and 1924 transitions. [2019-11-19 23:45:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1924 transitions. [2019-11-19 23:45:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-19 23:45:25,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:26,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 5015 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:26,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2019-11-19 23:45:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 941 states and 1517 transitions. [2019-11-19 23:45:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1517 transitions. [2019-11-19 23:45:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-11-19 23:45:27,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:45:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:45:28,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 5017 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:45:28,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:45:29,042 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2019-11-19 23:45:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:45:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 687 states and 1108 transitions. [2019-11-19 23:45:29,419 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1108 transitions. [2019-11-19 23:45:29,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:45:29,422 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 146 iterations. [2019-11-19 23:45:29,438 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 23:45:31,006 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,010 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,010 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,010 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,011 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,012 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,013 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2019-11-19 23:45:31,017 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,017 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,017 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,018 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,018 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,018 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,018 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,018 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,019 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,019 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,019 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,019 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,019 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,020 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,020 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,020 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,020 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,020 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,025 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,025 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,025 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,025 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,025 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,026 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,026 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,026 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,026 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,026 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,026 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:45:31,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:45:31 ImpRootNode [2019-11-19 23:45:31,033 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:45:31,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:45:31,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:45:31,034 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:45:31,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:44:07" (3/4) ... [2019-11-19 23:45:31,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:45:31,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arkfb_release [2019-11-19 23:45:31,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-11-19 23:45:31,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arkfb_open [2019-11-19 23:45:31,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __writel [2019-11-19 23:45:31,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~TO~int [2019-11-19 23:45:31,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iounmap [2019-11-19 23:45:31,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure svga_wcrt_mask [2019-11-19 23:45:31,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2019-11-19 23:45:31,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ics5342_set_mode [2019-11-19 23:45:31,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fb_set_suspend [2019-11-19 23:45:31,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2019-11-19 23:45:31,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __writeb [2019-11-19 23:45:31,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dac_set_mode [2019-11-19 23:45:31,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2019-11-19 23:45:31,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vga_w_fast [2019-11-19 23:45:31,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arkfb_init [2019-11-19 23:45:31,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arkfb_cleanup [2019-11-19 23:45:31,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-11-19 23:45:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_drvdata [2019-11-19 23:45:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_regions [2019-11-19 23:45:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-19 23:45:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vga_rseq [2019-11-19 23:45:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cfb_imageblit [2019-11-19 23:45:31,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2019-11-19 23:45:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ics5342_set_freq [2019-11-19 23:45:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure console_lock [2019-11-19 23:45:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2019-11-19 23:45:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure framebuffer_release [2019-11-19 23:45:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2019-11-19 23:45:31,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-11-19 23:45:31,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vga_w [2019-11-19 23:45:31,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure console_unlock [2019-11-19 23:45:31,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arkfb_set_par [2019-11-19 23:45:31,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cfb_fillrect [2019-11-19 23:45:31,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vga_r [2019-11-19 23:45:31,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ics5342_release [2019-11-19 23:45:31,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vga_wseq [2019-11-19 23:45:31,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure expand_color [2019-11-19 23:45:31,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure svga_wseq_mask [2019-11-19 23:45:31,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fb_dealloc_cmap [2019-11-19 23:45:31,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vga_wcrt [2019-11-19 23:45:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure slow_down_io [2019-11-19 23:45:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure svga_match_format [2019-11-19 23:45:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ark_pci_remove [2019-11-19 23:45:31,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure svga_wcrt_multi [2019-11-19 23:45:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2019-11-19 23:45:31,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dac_release [2019-11-19 23:45:31,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 534 nodes and edges [2019-11-19 23:45:31,115 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 201 nodes and edges [2019-11-19 23:45:31,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-19 23:45:31,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-19 23:45:31,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 23:45:31,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9192c41d-ad07-45fe-a2ce-7584040fa4f9/bin/ukojak/witness.graphml [2019-11-19 23:45:31,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:45:31,734 INFO L168 Benchmark]: Toolchain (without parser) took 183238.06 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 935.4 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-11-19 23:45:31,735 INFO L168 Benchmark]: CDTParser took 1.07 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:45:31,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2616.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 935.4 MB in the beginning and 976.5 MB in the end (delta: -41.1 MB). Peak memory consumption was 141.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:45:31,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 311.55 ms. Allocated memory is still 1.2 GB. Free memory was 976.5 MB in the beginning and 955.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:45:31,736 INFO L168 Benchmark]: Boogie Preprocessor took 276.30 ms. Allocated memory is still 1.2 GB. Free memory was 955.9 MB in the beginning and 928.5 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:45:31,737 INFO L168 Benchmark]: RCFGBuilder took 95487.29 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 777.5 MB). Free memory was 928.5 MB in the beginning and 968.8 MB in the end (delta: -40.3 MB). Peak memory consumption was 751.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:45:31,737 INFO L168 Benchmark]: CodeCheck took 83842.96 ms. Allocated memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: 1.7 GB). Free memory was 968.8 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 161.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:45:31,738 INFO L168 Benchmark]: Witness Printer took 699.10 ms. Allocated memory is still 3.7 GB. Free memory was 2.5 GB in the beginning and 2.2 GB in the end (delta: 346.3 MB). Peak memory consumption was 346.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:45:31,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 48 procedures, 560 locations, 1 error locations. Result: SAFE, OverallTime: 82.1s, OverallIterations: 146, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -41836852 SDtfs, 87478880 SDslu, -1987529960 SDs, 0 SdLazy, 387080904 SolverSat, 602591192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2570.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80431 GetRequests, 80399 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 4.8s SsaConstructionTime, 35.6s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 7690 NumberOfCodeBlocks, 7690 NumberOfCodeBlocksAsserted, 145 NumberOfCheckSat, 7545 ConstructedInterpolants, 0 QuantifiedInterpolants, 1958701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 94059 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 145 InterpolantComputations, 145 PerfectInterpolantSequences, 3130/3130 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: 7005]: 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: 5003]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6851]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7227]: Loop Invariant Derived loop invariant: 0 == ldv_coherent_state && ldv_urb_state == 0 - InvariantResult [Line: 5378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6563]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4367]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5085]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6225]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5459]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5317]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4995]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6361]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6878]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2616.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 935.4 MB in the beginning and 976.5 MB in the end (delta: -41.1 MB). Peak memory consumption was 141.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 311.55 ms. Allocated memory is still 1.2 GB. Free memory was 976.5 MB in the beginning and 955.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 276.30 ms. Allocated memory is still 1.2 GB. Free memory was 955.9 MB in the beginning and 928.5 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 95487.29 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 777.5 MB). Free memory was 928.5 MB in the beginning and 968.8 MB in the end (delta: -40.3 MB). Peak memory consumption was 751.4 MB. Max. memory is 11.5 GB. * CodeCheck took 83842.96 ms. Allocated memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: 1.7 GB). Free memory was 968.8 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 161.7 MB. Max. memory is 11.5 GB. * Witness Printer took 699.10 ms. Allocated memory is still 3.7 GB. Free memory was 2.5 GB in the beginning and 2.2 GB in the end (delta: 346.3 MB). Peak memory consumption was 346.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...