./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.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_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/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 01f13171516d4f69f147a7da46701d33e421de64 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:36:18,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:36:18,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:36:18,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:36:18,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:36:18,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:36:18,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:36:18,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:36:18,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:36:18,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:36:18,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:36:18,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:36:18,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:36:18,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:36:18,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:36:18,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:36:18,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:36:18,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:36:18,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:36:18,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:36:18,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:36:18,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:36:18,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:36:18,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:36:18,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:36:18,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:36:18,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:36:18,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:36:18,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:36:18,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:36:18,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:36:18,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:36:18,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:36:18,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:36:18,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:36:18,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:36:18,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:36:18,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:36:18,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:36:18,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:36:18,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:36:18,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 10:36:18,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:36:18,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:36:18,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:36:18,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:36:18,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:36:18,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:36:18,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:36:18,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:36:18,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:36:18,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:36:18,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:36:18,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:36:18,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:36:18,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:36:18,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:36:18,172 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:36:18,172 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:36:18,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:36:18,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:36:18,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:36:18,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:36:18,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:36:18,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:36:18,174 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:36:18,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:36:18,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:36:18,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:36:18,174 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_324e8d90-5947-4d78-9896-13653de92721/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 -> 01f13171516d4f69f147a7da46701d33e421de64 [2019-11-20 10:36:18,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:36:18,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:36:18,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:36:18,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:36:18,321 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:36:18,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-11-20 10:36:18,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/data/31783028b/6bf5e1f60048425ca72d0d16d6d0a267/FLAG33a9b7940 [2019-11-20 10:36:19,035 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:36:19,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2019-11-20 10:36:19,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/data/31783028b/6bf5e1f60048425ca72d0d16d6d0a267/FLAG33a9b7940 [2019-11-20 10:36:19,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/data/31783028b/6bf5e1f60048425ca72d0d16d6d0a267 [2019-11-20 10:36:19,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:36:19,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:36:19,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:36:19,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:36:19,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:36:19,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:19" (1/1) ... [2019-11-20 10:36:19,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3573d964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:19, skipping insertion in model container [2019-11-20 10:36:19,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:19" (1/1) ... [2019-11-20 10:36:19,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:36:19,503 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:36:20,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:36:20,528 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:36:20,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:36:20,783 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:36:20,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20 WrapperNode [2019-11-20 10:36:20,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:36:20,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:36:20,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:36:20,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:36:20,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:20,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:20,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:36:20,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:36:20,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:36:20,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:36:20,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:20,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:20,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:20,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:21,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:21,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:21,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... [2019-11-20 10:36:21,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:36:21,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:36:21,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:36:21,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:36:21,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/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 [2019-11-20 10:36:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2019-11-20 10:36:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2019-11-20 10:36:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 10:36:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:36:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2019-11-20 10:36:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2019-11-20 10:36:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:36:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-20 10:36:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-20 10:36:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:36:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-20 10:36:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-20 10:36:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-20 10:36:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-20 10:36:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-11-20 10:36:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-11-20 10:36:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:36:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 10:36:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 10:36:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-20 10:36:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:36:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-11-20 10:36:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-11-20 10:36:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2019-11-20 10:36:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2019-11-20 10:36:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-20 10:36:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-20 10:36:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2019-11-20 10:36:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2019-11-20 10:36:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2019-11-20 10:36:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2019-11-20 10:36:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2019-11-20 10:36:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2019-11-20 10:36:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:36:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:36:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:36:21,657 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:36:21,788 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2019-11-20 10:36:21,788 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2019-11-20 10:36:21,894 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2019-11-20 10:36:21,907 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:36:21,911 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:36:21,924 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 10:36:24,802 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2019-11-20 10:36:24,802 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2019-11-20 10:36:24,802 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2019-11-20 10:36:24,802 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2019-11-20 10:36:24,802 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2019-11-20 10:36:24,803 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2019-11-20 10:36:28,754 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:36:28,754 INFO L285 CfgBuilder]: Removed 97 assume(true) statements. [2019-11-20 10:36:28,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:28 BoogieIcfgContainer [2019-11-20 10:36:28,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:36:28,756 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:36:28,756 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:36:28,767 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:36:28,767 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:28" (1/1) ... [2019-11-20 10:36:28,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:36:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 119 states and 167 transitions. [2019-11-20 10:36:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2019-11-20 10:36:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:36:28,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 119 states and 164 transitions. [2019-11-20 10:36:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2019-11-20 10:36:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:36:30,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 121 states and 166 transitions. [2019-11-20 10:36:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 166 transitions. [2019-11-20 10:36:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 10:36:31,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:31,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 121 states and 165 transitions. [2019-11-20 10:36:31,651 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2019-11-20 10:36:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 10:36:31,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 125 states and 183 transitions. [2019-11-20 10:36:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2019-11-20 10:36:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:36:31,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 129 states and 201 transitions. [2019-11-20 10:36:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions. [2019-11-20 10:36:31,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 10:36:31,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:32,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 218 transitions. [2019-11-20 10:36:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 218 transitions. [2019-11-20 10:36:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 10:36:32,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 134 states and 217 transitions. [2019-11-20 10:36:32,260 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2019-11-20 10:36:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 10:36:32,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 141 states and 225 transitions. [2019-11-20 10:36:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 225 transitions. [2019-11-20 10:36:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 10:36:32,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 142 states and 225 transitions. [2019-11-20 10:36:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 225 transitions. [2019-11-20 10:36:32,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 10:36:32,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 149 states and 233 transitions. [2019-11-20 10:36:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 233 transitions. [2019-11-20 10:36:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 10:36:32,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:32,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 153 states and 241 transitions. [2019-11-20 10:36:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions. [2019-11-20 10:36:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 10:36:32,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 154 states and 242 transitions. [2019-11-20 10:36:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2019-11-20 10:36:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 10:36:33,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 158 states and 250 transitions. [2019-11-20 10:36:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 250 transitions. [2019-11-20 10:36:33,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:36:33,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 159 states and 251 transitions. [2019-11-20 10:36:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 251 transitions. [2019-11-20 10:36:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:36:33,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 160 states and 252 transitions. [2019-11-20 10:36:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 252 transitions. [2019-11-20 10:36:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:36:33,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 161 states and 253 transitions. [2019-11-20 10:36:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 253 transitions. [2019-11-20 10:36:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:36:33,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 163 states and 255 transitions. [2019-11-20 10:36:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 255 transitions. [2019-11-20 10:36:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 10:36:33,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 167 states and 262 transitions. [2019-11-20 10:36:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 262 transitions. [2019-11-20 10:36:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 10:36:33,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 171 states and 267 transitions. [2019-11-20 10:36:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 267 transitions. [2019-11-20 10:36:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:36:33,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:34,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 172 states and 268 transitions. [2019-11-20 10:36:34,019 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2019-11-20 10:36:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 10:36:34,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 174 states and 270 transitions. [2019-11-20 10:36:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 270 transitions. [2019-11-20 10:36:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 10:36:34,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 178 states and 275 transitions. [2019-11-20 10:36:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 275 transitions. [2019-11-20 10:36:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 10:36:34,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 276 transitions. [2019-11-20 10:36:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 276 transitions. [2019-11-20 10:36:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 10:36:34,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 179 states and 275 transitions. [2019-11-20 10:36:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2019-11-20 10:36:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 10:36:34,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 185 states and 286 transitions. [2019-11-20 10:36:34,571 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 286 transitions. [2019-11-20 10:36:34,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:36:34,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 191 states and 297 transitions. [2019-11-20 10:36:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 297 transitions. [2019-11-20 10:36:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:36:34,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 193 states and 299 transitions. [2019-11-20 10:36:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 299 transitions. [2019-11-20 10:36:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 10:36:34,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:36:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 197 states and 304 transitions. [2019-11-20 10:36:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 304 transitions. [2019-11-20 10:36:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 10:36:34,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 199 states and 306 transitions. [2019-11-20 10:36:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 306 transitions. [2019-11-20 10:36:35,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:36:35,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 201 states and 308 transitions. [2019-11-20 10:36:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 308 transitions. [2019-11-20 10:36:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:36:35,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 210 states and 338 transitions. [2019-11-20 10:36:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 338 transitions. [2019-11-20 10:36:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:36:37,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 221 states and 368 transitions. [2019-11-20 10:36:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 368 transitions. [2019-11-20 10:36:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:36:39,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 221 states and 367 transitions. [2019-11-20 10:36:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 367 transitions. [2019-11-20 10:36:39,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 10:36:39,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 227 states and 378 transitions. [2019-11-20 10:36:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 378 transitions. [2019-11-20 10:36:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 10:36:39,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 231 states and 384 transitions. [2019-11-20 10:36:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 384 transitions. [2019-11-20 10:36:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 10:36:39,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 235 states and 390 transitions. [2019-11-20 10:36:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 390 transitions. [2019-11-20 10:36:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 10:36:39,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 236 states and 391 transitions. [2019-11-20 10:36:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 391 transitions. [2019-11-20 10:36:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:36:40,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 238 states and 393 transitions. [2019-11-20 10:36:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2019-11-20 10:36:40,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 10:36:40,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 237 states and 391 transitions. [2019-11-20 10:36:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 391 transitions. [2019-11-20 10:36:40,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:36:40,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 237 states and 390 transitions. [2019-11-20 10:36:41,979 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 390 transitions. [2019-11-20 10:36:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:36:41,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 239 states and 392 transitions. [2019-11-20 10:36:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 392 transitions. [2019-11-20 10:36:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 10:36:42,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 241 states and 394 transitions. [2019-11-20 10:36:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 394 transitions. [2019-11-20 10:36:42,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:36:42,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 242 states and 395 transitions. [2019-11-20 10:36:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 395 transitions. [2019-11-20 10:36:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:36:42,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 246 states and 398 transitions. [2019-11-20 10:36:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 398 transitions. [2019-11-20 10:36:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:36:44,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 255 states and 411 transitions. [2019-11-20 10:36:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 411 transitions. [2019-11-20 10:36:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 10:36:46,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 264 states and 425 transitions. [2019-11-20 10:36:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 425 transitions. [2019-11-20 10:36:47,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 10:36:47,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:47,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 268 states and 431 transitions. [2019-11-20 10:36:47,457 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 431 transitions. [2019-11-20 10:36:47,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:36:47,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:36:47,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 271 states and 436 transitions. [2019-11-20 10:36:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 436 transitions. [2019-11-20 10:36:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:36:47,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:36:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 274 states and 441 transitions. [2019-11-20 10:36:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 441 transitions. [2019-11-20 10:36:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 10:36:47,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 285 states and 464 transitions. [2019-11-20 10:36:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 464 transitions. [2019-11-20 10:36:49,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:36:49,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:49,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 290 states and 470 transitions. [2019-11-20 10:36:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 470 transitions. [2019-11-20 10:36:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:36:49,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 295 states and 477 transitions. [2019-11-20 10:36:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 477 transitions. [2019-11-20 10:36:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:36:50,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 297 states and 479 transitions. [2019-11-20 10:36:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 479 transitions. [2019-11-20 10:36:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:36:50,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:36:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 298 states and 482 transitions. [2019-11-20 10:36:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 482 transitions. [2019-11-20 10:36:50,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:36:50,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:36:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 299 states and 483 transitions. [2019-11-20 10:36:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 483 transitions. [2019-11-20 10:36:51,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:36:51,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:36:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 300 states and 485 transitions. [2019-11-20 10:36:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 485 transitions. [2019-11-20 10:36:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 10:36:51,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:36:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 301 states and 486 transitions. [2019-11-20 10:36:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 486 transitions. [2019-11-20 10:36:51,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:36:51,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:36:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 310 states and 500 transitions. [2019-11-20 10:36:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 500 transitions. [2019-11-20 10:36:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:36:53,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:56,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 323 states and 541 transitions. [2019-11-20 10:36:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 541 transitions. [2019-11-20 10:36:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:36:56,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:36:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 327 states and 553 transitions. [2019-11-20 10:36:56,830 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 553 transitions. [2019-11-20 10:36:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:36:56,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 327 states and 552 transitions. [2019-11-20 10:36:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 552 transitions. [2019-11-20 10:36:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:36:57,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:36:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 329 states and 556 transitions. [2019-11-20 10:36:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 556 transitions. [2019-11-20 10:36:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 10:36:57,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:36:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 331 states and 558 transitions. [2019-11-20 10:36:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 558 transitions. [2019-11-20 10:36:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:36:57,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:36:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 335 states and 563 transitions. [2019-11-20 10:36:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 563 transitions. [2019-11-20 10:36:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:36:57,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:36:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 338 states and 569 transitions. [2019-11-20 10:36:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 569 transitions. [2019-11-20 10:36:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:36:59,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:36:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 341 states and 575 transitions. [2019-11-20 10:36:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 575 transitions. [2019-11-20 10:36:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:36:59,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:37:00,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 342 states and 576 transitions. [2019-11-20 10:37:00,108 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 576 transitions. [2019-11-20 10:37:00,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:37:00,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 343 states and 577 transitions. [2019-11-20 10:37:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 577 transitions. [2019-11-20 10:37:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 10:37:00,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:37:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 347 states and 584 transitions. [2019-11-20 10:37:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 584 transitions. [2019-11-20 10:37:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:37:02,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:37:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 353 states and 595 transitions. [2019-11-20 10:37:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 595 transitions. [2019-11-20 10:37:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 10:37:02,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:37:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 357 states and 601 transitions. [2019-11-20 10:37:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 601 transitions. [2019-11-20 10:37:04,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 10:37:04,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 359 states and 604 transitions. [2019-11-20 10:37:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 604 transitions. [2019-11-20 10:37:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:37:05,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:37:06,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 359 states and 603 transitions. [2019-11-20 10:37:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 603 transitions. [2019-11-20 10:37:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:37:06,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 10:37:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 362 states and 609 transitions. [2019-11-20 10:37:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 609 transitions. [2019-11-20 10:37:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 10:37:07,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 364 states and 612 transitions. [2019-11-20 10:37:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 612 transitions. [2019-11-20 10:37:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:37:09,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 366 states and 614 transitions. [2019-11-20 10:37:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 614 transitions. [2019-11-20 10:37:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 10:37:10,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:14,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 374 states and 633 transitions. [2019-11-20 10:37:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 633 transitions. [2019-11-20 10:37:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:37:14,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 378 states and 640 transitions. [2019-11-20 10:37:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 640 transitions. [2019-11-20 10:37:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:37:15,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 380 states and 640 transitions. [2019-11-20 10:37:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 640 transitions. [2019-11-20 10:37:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:37:17,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 10:37:18,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 381 states and 640 transitions. [2019-11-20 10:37:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 640 transitions. [2019-11-20 10:37:18,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 10:37:18,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 10:37:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 383 states and 643 transitions. [2019-11-20 10:37:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 643 transitions. [2019-11-20 10:37:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:37:19,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:37:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 388 states and 651 transitions. [2019-11-20 10:37:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 651 transitions. [2019-11-20 10:37:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:37:20,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 392 states and 663 transitions. [2019-11-20 10:37:20,805 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 663 transitions. [2019-11-20 10:37:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:37:20,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:22,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 394 states and 665 transitions. [2019-11-20 10:37:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 665 transitions. [2019-11-20 10:37:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 10:37:22,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:37:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 398 states and 672 transitions. [2019-11-20 10:37:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 672 transitions. [2019-11-20 10:37:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 10:37:22,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 402 states and 678 transitions. [2019-11-20 10:37:23,144 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 678 transitions. [2019-11-20 10:37:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 10:37:23,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 404 states and 680 transitions. [2019-11-20 10:37:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 680 transitions. [2019-11-20 10:37:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:37:23,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 405 states and 681 transitions. [2019-11-20 10:37:24,122 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 681 transitions. [2019-11-20 10:37:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 10:37:24,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:37:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 406 states and 682 transitions. [2019-11-20 10:37:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 682 transitions. [2019-11-20 10:37:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:37:24,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:37:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 410 states and 688 transitions. [2019-11-20 10:37:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 688 transitions. [2019-11-20 10:37:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:37:24,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:24,433 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 10:37:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 412 states and 690 transitions. [2019-11-20 10:37:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 690 transitions. [2019-11-20 10:37:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:37:24,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:37:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 204 states and 313 transitions. [2019-11-20 10:37:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 313 transitions. [2019-11-20 10:37:24,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:37:24,784 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 93 iterations. [2019-11-20 10:37:24,793 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:37:25,373 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,377 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,377 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,377 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,377 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,377 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,377 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2019-11-20 10:37:25,380 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,381 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 10:37:25,382 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,382 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,382 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,382 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,383 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 10:37:25,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,385 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,385 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2019-11-20 10:37:25,386 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,386 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,386 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,386 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,386 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,386 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,386 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,387 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 10:37:25,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,388 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,388 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,388 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-11-20 10:37:25,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,391 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 10:37:25,391 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,392 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,392 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,392 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:37:25,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:37:25 ImpRootNode [2019-11-20 10:37:25,392 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:37:25,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:37:25,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:37:25,393 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:37:25,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:28" (3/4) ... [2019-11-20 10:37:25,397 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:37:25,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ir_xbof_change [2019-11-20 10:37:25,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ir_init [2019-11-20 10:37:25,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2019-11-20 10:37:25,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undefined_pointer [2019-11-20 10:37:25,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kfifo_uint_must_check_helper [2019-11-20 10:37:25,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2019-11-20 10:37:25,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2019-11-20 10:37:25,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ir_exit [2019-11-20 10:37:25,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_serial_deregister [2019-11-20 10:37:25,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_assume_stop [2019-11-20 10:37:25,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2019-11-20 10:37:25,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-20 10:37:25,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2019-11-20 10:37:25,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 289 nodes and edges [2019-11-20 10:37:25,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 97 nodes and edges [2019-11-20 10:37:25,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2019-11-20 10:37:25,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 10:37:25,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:37:25,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:37:25,449 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:37:25,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:37:25,486 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) [2019-11-20 10:37:25,487 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size]) [2019-11-20 10:37:25,489 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(xbof___0) == xbof___0 [2019-11-20 10:37:25,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(xbof___0) == 0) && !(\old(xbof___0) == 64) [2019-11-20 10:37:25,491 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ldv_urb_state < 1 || ldv_urb_state == \old(ldv_urb_state) [2019-11-20 10:37:25,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_324e8d90-5947-4d78-9896-13653de92721/bin/ukojak/witness.graphml [2019-11-20 10:37:25,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:37:25,769 INFO L168 Benchmark]: Toolchain (without parser) took 66374.61 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 936.7 MB in the beginning and 1.4 GB in the end (delta: -492.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2019-11-20 10:37:25,769 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:37:25,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1387.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 936.7 MB in the beginning and 1.0 GB in the end (delta: -112.9 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:37:25,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:37:25,771 INFO L168 Benchmark]: Boogie Preprocessor took 145.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:37:25,771 INFO L168 Benchmark]: RCFGBuilder took 7665.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:37:25,772 INFO L168 Benchmark]: CodeCheck took 56636.49 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -465.1 MB). Peak memory consumption was 837.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:37:25,772 INFO L168 Benchmark]: Witness Printer took 374.36 ms. Allocated memory is still 2.5 GB. Free memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: 170.3 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:37:25,774 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 14 procedures, 120 locations, 1 error locations. Result: SAFE, OverallTime: 55.9s, OverallIterations: 93, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 964677628 SDtfs, 826934548 SDslu, 566036284 SDs, 0 SdLazy, 1444790332 SolverSat, -499054212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 351.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49113 GetRequests, 48674 SyntacticMatches, 99 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47031 ImplicationChecksByTransitivity, 33.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 4638 NumberOfCodeBlocks, 4638 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 4546 ConstructedInterpolants, 0 QuantifiedInterpolants, 610393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 92 InterpolantComputations, 87 PerfectInterpolantSequences, 544/570 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: 4901]: 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: 4538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4069]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4981]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5006]: Loop Invariant Derived loop invariant: ldv_urb_state < 1 || ldv_urb_state == \old(ldv_urb_state) - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4085]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4361]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3648]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4060]: Loop Invariant Derived loop invariant: !(\old(xbof___0) == 0) && !(\old(xbof___0) == 64) - InvariantResult [Line: 4456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4614]: Loop Invariant [2019-11-20 10:37:25,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size]) - InvariantResult [Line: 5116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4605]: Loop Invariant Derived loop invariant: !(0 == retval) - InvariantResult [Line: 4283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4066]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5033]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4603]: Loop Invariant [2019-11-20 10:37:25,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) - InvariantResult [Line: 5061]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5077]: Loop Invariant [2019-11-20 10:37:25,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:37:25,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((ir_add_bof == 0 && unknown-#memory_int-unknown[buffer_size][buffer_size] == 0) && 0 == ldv_coherent_state) && ldv_urb_state == 0) && unknown-#memory_int-unknown[xbof][xbof] + 1 == 0 - InvariantResult [Line: 4057]: Loop Invariant Derived loop invariant: \old(xbof___0) == xbof___0 - InvariantResult [Line: 4849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4976]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1387.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 936.7 MB in the beginning and 1.0 GB in the end (delta: -112.9 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 160.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 145.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7665.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. * CodeCheck took 56636.49 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -465.1 MB). Peak memory consumption was 837.7 MB. Max. memory is 11.5 GB. * Witness Printer took 374.36 ms. Allocated memory is still 2.5 GB. Free memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: 170.3 MB). Peak memory consumption was 170.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...