./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/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 522420384e59442e7eb91c7ea22df0bb872e9d93 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 00:34:40,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:34:40,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:34:40,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:34:40,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:34:40,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:34:40,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:34:40,465 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:34:40,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:34:40,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:34:40,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:34:40,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:34:40,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:34:40,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:34:40,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:34:40,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:34:40,473 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:34:40,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:34:40,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:34:40,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:34:40,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:34:40,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:34:40,482 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:34:40,482 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:34:40,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:34:40,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:34:40,485 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:34:40,486 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:34:40,486 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:34:40,487 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:34:40,487 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:34:40,488 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:34:40,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:34:40,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:34:40,490 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:34:40,491 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:34:40,491 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-10 00:34:40,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:34:40,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:34:40,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 00:34:40,504 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 00:34:40,505 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:34:40,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:34:40,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:34:40,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:34:40,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:34:40,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 00:34:40,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 00:34:40,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 00:34:40,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:34:40,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 00:34:40,507 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 00:34:40,507 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 00:34:40,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:34:40,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 00:34:40,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 00:34:40,507 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:34:40,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 00:34:40,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 00:34:40,508 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 00:34:40,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 00:34:40,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 00:34:40,508 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 00:34:40,508 INFO L133 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/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/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 -> 522420384e59442e7eb91c7ea22df0bb872e9d93 [2018-11-10 00:34:40,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:34:40,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:34:40,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:34:40,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:34:40,555 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:34:40,555 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.c [2018-11-10 00:34:40,619 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/data/ed3f07fd3/cba67422db5f4a13aabaf628983de31a/FLAG022f937f8 [2018-11-10 00:34:41,168 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:34:41,169 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.c [2018-11-10 00:34:41,197 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/data/ed3f07fd3/cba67422db5f4a13aabaf628983de31a/FLAG022f937f8 [2018-11-10 00:34:41,210 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/data/ed3f07fd3/cba67422db5f4a13aabaf628983de31a [2018-11-10 00:34:41,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:34:41,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 00:34:41,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:34:41,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:34:41,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:34:41,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:34:41" (1/1) ... [2018-11-10 00:34:41,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73348846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:41, skipping insertion in model container [2018-11-10 00:34:41,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:34:41" (1/1) ... [2018-11-10 00:34:41,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:34:41,318 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:34:42,837 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:34:42,854 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:34:43,334 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:34:43,393 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:34:43,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43 WrapperNode [2018-11-10 00:34:43,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:34:43,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 00:34:43,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 00:34:43,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 00:34:43,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 00:34:43,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:34:43,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:34:43,499 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:34:43,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... [2018-11-10 00:34:43,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:34:43,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:34:43,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:34:43,574 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:34:43,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/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 [2018-11-10 00:34:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-11-10 00:34:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-11-10 00:34:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2018-11-10 00:34:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 00:34:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-10 00:34:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 00:34:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 00:34:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-10 00:34:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-10 00:34:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2018-11-10 00:34:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2018-11-10 00:34:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 00:34:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-10 00:34:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-10 00:34:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-10 00:34:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-10 00:34:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2018-11-10 00:34:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 00:34:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 00:34:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2018-11-10 00:34:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2018-11-10 00:34:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-10 00:34:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-10 00:34:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:34:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:35:07,027 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:35:07,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:35:07 BoogieIcfgContainer [2018-11-10 00:35:07,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:35:07,028 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 00:35:07,028 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 00:35:07,039 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 00:35:07,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:35:07" (1/1) ... [2018-11-10 00:35:07,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:35:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2018-11-10 00:35:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2018-11-10 00:35:07,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:35:07,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2018-11-10 00:35:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2018-11-10 00:35:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:35:09,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 104 states and 172 transitions. [2018-11-10 00:35:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 172 transitions. [2018-11-10 00:35:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 00:35:12,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 173 transitions. [2018-11-10 00:35:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2018-11-10 00:35:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 00:35:12,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 202 transitions. [2018-11-10 00:35:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2018-11-10 00:35:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 00:35:14,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 128 states and 232 transitions. [2018-11-10 00:35:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 232 transitions. [2018-11-10 00:35:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 00:35:16,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:16,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 131 states and 248 transitions. [2018-11-10 00:35:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 248 transitions. [2018-11-10 00:35:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 00:35:19,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 132 states and 248 transitions. [2018-11-10 00:35:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 248 transitions. [2018-11-10 00:35:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 00:35:19,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 133 states and 249 transitions. [2018-11-10 00:35:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 249 transitions. [2018-11-10 00:35:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 00:35:19,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 249 transitions. [2018-11-10 00:35:20,101 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 249 transitions. [2018-11-10 00:35:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 00:35:20,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 141 states and 269 transitions. [2018-11-10 00:35:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 269 transitions. [2018-11-10 00:35:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 00:35:22,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 142 states and 269 transitions. [2018-11-10 00:35:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 269 transitions. [2018-11-10 00:35:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 00:35:22,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 283 transitions. [2018-11-10 00:35:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 283 transitions. [2018-11-10 00:35:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 00:35:22,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 283 transitions. [2018-11-10 00:35:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 283 transitions. [2018-11-10 00:35:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 00:35:23,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 150 states and 284 transitions. [2018-11-10 00:35:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 284 transitions. [2018-11-10 00:35:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 00:35:23,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:23,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 156 states and 298 transitions. [2018-11-10 00:35:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 298 transitions. [2018-11-10 00:35:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 00:35:23,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 157 states and 298 transitions. [2018-11-10 00:35:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 298 transitions. [2018-11-10 00:35:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 00:35:23,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 163 states and 312 transitions. [2018-11-10 00:35:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 312 transitions. [2018-11-10 00:35:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 00:35:23,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 164 states and 312 transitions. [2018-11-10 00:35:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 312 transitions. [2018-11-10 00:35:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 00:35:23,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 00:35:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 165 states and 313 transitions. [2018-11-10 00:35:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 313 transitions. [2018-11-10 00:35:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 00:35:24,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 168 states and 325 transitions. [2018-11-10 00:35:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 325 transitions. [2018-11-10 00:35:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 00:35:25,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 171 states and 329 transitions. [2018-11-10 00:35:25,176 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 329 transitions. [2018-11-10 00:35:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 00:35:25,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 172 states and 330 transitions. [2018-11-10 00:35:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 330 transitions. [2018-11-10 00:35:25,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 00:35:25,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 00:35:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 173 states and 330 transitions. [2018-11-10 00:35:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 330 transitions. [2018-11-10 00:35:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 00:35:25,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:26,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 178 states and 347 transitions. [2018-11-10 00:35:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 347 transitions. [2018-11-10 00:35:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 00:35:26,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 181 states and 354 transitions. [2018-11-10 00:35:27,075 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 354 transitions. [2018-11-10 00:35:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 00:35:27,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 182 states and 354 transitions. [2018-11-10 00:35:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 354 transitions. [2018-11-10 00:35:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 00:35:27,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:35:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 185 states and 370 transitions. [2018-11-10 00:35:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 370 transitions. [2018-11-10 00:35:28,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 00:35:28,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 186 states and 371 transitions. [2018-11-10 00:35:28,179 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 371 transitions. [2018-11-10 00:35:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 00:35:28,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 189 states and 377 transitions. [2018-11-10 00:35:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 377 transitions. [2018-11-10 00:35:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 00:35:28,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 190 states and 378 transitions. [2018-11-10 00:35:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 378 transitions. [2018-11-10 00:35:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 00:35:28,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 191 states and 378 transitions. [2018-11-10 00:35:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 378 transitions. [2018-11-10 00:35:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 00:35:29,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 194 states and 383 transitions. [2018-11-10 00:35:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 383 transitions. [2018-11-10 00:35:29,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 00:35:29,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 197 states and 389 transitions. [2018-11-10 00:35:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 389 transitions. [2018-11-10 00:35:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 00:35:29,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:29,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 198 states and 390 transitions. [2018-11-10 00:35:29,861 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 390 transitions. [2018-11-10 00:35:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 00:35:29,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 199 states and 390 transitions. [2018-11-10 00:35:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 390 transitions. [2018-11-10 00:35:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 00:35:30,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 204 states and 405 transitions. [2018-11-10 00:35:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2018-11-10 00:35:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:30,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 205 states and 406 transitions. [2018-11-10 00:35:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 406 transitions. [2018-11-10 00:35:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:31,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 206 states and 407 transitions. [2018-11-10 00:35:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 407 transitions. [2018-11-10 00:35:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:31,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 209 states and 412 transitions. [2018-11-10 00:35:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 412 transitions. [2018-11-10 00:35:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:31,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:31,689 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-11-10 00:35:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 210 states and 414 transitions. [2018-11-10 00:35:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 414 transitions. [2018-11-10 00:35:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:32,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:35:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 211 states and 416 transitions. [2018-11-10 00:35:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 416 transitions. [2018-11-10 00:35:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:32,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 212 states and 417 transitions. [2018-11-10 00:35:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 417 transitions. [2018-11-10 00:35:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 00:35:32,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 00:35:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 213 states and 417 transitions. [2018-11-10 00:35:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 417 transitions. [2018-11-10 00:35:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 00:35:32,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 216 states and 421 transitions. [2018-11-10 00:35:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 421 transitions. [2018-11-10 00:35:32,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 00:35:32,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 216 states and 420 transitions. [2018-11-10 00:35:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 420 transitions. [2018-11-10 00:35:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 00:35:33,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 219 states and 425 transitions. [2018-11-10 00:35:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 425 transitions. [2018-11-10 00:35:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 00:35:33,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 220 states and 426 transitions. [2018-11-10 00:35:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 426 transitions. [2018-11-10 00:35:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 00:35:33,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:35:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 221 states and 426 transitions. [2018-11-10 00:35:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 426 transitions. [2018-11-10 00:35:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 00:35:33,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 222 states and 427 transitions. [2018-11-10 00:35:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 427 transitions. [2018-11-10 00:35:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 00:35:33,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 00:35:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 223 states and 427 transitions. [2018-11-10 00:35:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 427 transitions. [2018-11-10 00:35:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 00:35:34,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 00:35:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 224 states and 428 transitions. [2018-11-10 00:35:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 428 transitions. [2018-11-10 00:35:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 00:35:34,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 227 states and 432 transitions. [2018-11-10 00:35:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 432 transitions. [2018-11-10 00:35:34,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 00:35:34,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 231 states and 440 transitions. [2018-11-10 00:35:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 440 transitions. [2018-11-10 00:35:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 00:35:34,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:34,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 232 states and 441 transitions. [2018-11-10 00:35:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 441 transitions. [2018-11-10 00:35:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 00:35:34,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 00:35:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 233 states and 441 transitions. [2018-11-10 00:35:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 441 transitions. [2018-11-10 00:35:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 00:35:34,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 00:35:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 234 states and 441 transitions. [2018-11-10 00:35:34,790 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 441 transitions. [2018-11-10 00:35:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 00:35:34,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 235 states and 442 transitions. [2018-11-10 00:35:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 442 transitions. [2018-11-10 00:35:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 00:35:35,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:35,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 239 states and 450 transitions. [2018-11-10 00:35:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 450 transitions. [2018-11-10 00:35:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 00:35:35,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 241 states and 452 transitions. [2018-11-10 00:35:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 452 transitions. [2018-11-10 00:35:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 00:35:35,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:36,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 242 states and 452 transitions. [2018-11-10 00:35:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 452 transitions. [2018-11-10 00:35:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 00:35:36,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 00:35:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 243 states and 452 transitions. [2018-11-10 00:35:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 452 transitions. [2018-11-10 00:35:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 00:35:36,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 247 states and 460 transitions. [2018-11-10 00:35:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 460 transitions. [2018-11-10 00:35:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 00:35:36,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 250 states and 463 transitions. [2018-11-10 00:35:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 463 transitions. [2018-11-10 00:35:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 00:35:36,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 251 states and 463 transitions. [2018-11-10 00:35:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 463 transitions. [2018-11-10 00:35:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 00:35:37,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 254 states and 468 transitions. [2018-11-10 00:35:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 468 transitions. [2018-11-10 00:35:37,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 00:35:37,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 00:35:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 255 states and 469 transitions. [2018-11-10 00:35:38,192 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 469 transitions. [2018-11-10 00:35:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 00:35:38,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 258 states and 474 transitions. [2018-11-10 00:35:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 474 transitions. [2018-11-10 00:35:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 00:35:38,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 260 states and 475 transitions. [2018-11-10 00:35:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 475 transitions. [2018-11-10 00:35:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 00:35:39,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 00:35:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 263 states and 480 transitions. [2018-11-10 00:35:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 480 transitions. [2018-11-10 00:35:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 00:35:39,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 00:35:41,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 268 states and 495 transitions. [2018-11-10 00:35:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 495 transitions. [2018-11-10 00:35:41,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:35:41,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 270 states and 497 transitions. [2018-11-10 00:35:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 497 transitions. [2018-11-10 00:35:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 00:35:42,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 272 states and 498 transitions. [2018-11-10 00:35:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 498 transitions. [2018-11-10 00:35:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 00:35:43,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 00:35:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 273 states and 498 transitions. [2018-11-10 00:35:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 498 transitions. [2018-11-10 00:35:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 00:35:43,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 00:35:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 277 states and 510 transitions. [2018-11-10 00:35:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 510 transitions. [2018-11-10 00:35:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 00:35:44,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 00:35:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:45,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 280 states and 516 transitions. [2018-11-10 00:35:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 516 transitions. [2018-11-10 00:35:45,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 00:35:45,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 283 states and 519 transitions. [2018-11-10 00:35:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 519 transitions. [2018-11-10 00:35:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 00:35:45,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 284 states and 519 transitions. [2018-11-10 00:35:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 519 transitions. [2018-11-10 00:35:46,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 00:35:46,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:47,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:47,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 286 states and 520 transitions. [2018-11-10 00:35:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 520 transitions. [2018-11-10 00:35:47,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 00:35:47,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 00:35:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 291 states and 527 transitions. [2018-11-10 00:35:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 527 transitions. [2018-11-10 00:35:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 00:35:47,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 00:35:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 296 states and 534 transitions. [2018-11-10 00:35:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 534 transitions. [2018-11-10 00:35:47,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 00:35:47,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 00:35:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 301 states and 541 transitions. [2018-11-10 00:35:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 541 transitions. [2018-11-10 00:35:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 00:35:47,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 303 states and 547 transitions. [2018-11-10 00:35:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 547 transitions. [2018-11-10 00:35:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 00:35:48,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 00:35:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 304 states and 549 transitions. [2018-11-10 00:35:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 549 transitions. [2018-11-10 00:35:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 00:35:48,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 00:35:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 305 states and 551 transitions. [2018-11-10 00:35:49,257 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 551 transitions. [2018-11-10 00:35:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 00:35:49,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 309 states and 556 transitions. [2018-11-10 00:35:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 556 transitions. [2018-11-10 00:35:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 00:35:49,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 313 states and 561 transitions. [2018-11-10 00:35:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 561 transitions. [2018-11-10 00:35:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 00:35:49,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 00:35:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:50,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 318 states and 568 transitions. [2018-11-10 00:35:50,525 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 568 transitions. [2018-11-10 00:35:50,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 00:35:50,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:35:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 319 states and 570 transitions. [2018-11-10 00:35:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 570 transitions. [2018-11-10 00:35:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 00:35:50,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 00:35:50,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 323 states and 575 transitions. [2018-11-10 00:35:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 575 transitions. [2018-11-10 00:35:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 00:35:50,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 00:35:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 328 states and 582 transitions. [2018-11-10 00:35:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 582 transitions. [2018-11-10 00:35:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 00:35:51,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 00:35:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 333 states and 589 transitions. [2018-11-10 00:35:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 589 transitions. [2018-11-10 00:35:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 00:35:52,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 00:35:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 340 states and 602 transitions. [2018-11-10 00:35:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 602 transitions. [2018-11-10 00:35:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 00:35:54,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 00:35:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 347 states and 615 transitions. [2018-11-10 00:35:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 615 transitions. [2018-11-10 00:35:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 00:35:56,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 00:35:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:56,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 348 states and 617 transitions. [2018-11-10 00:35:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 617 transitions. [2018-11-10 00:35:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 00:35:56,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 00:35:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 355 states and 630 transitions. [2018-11-10 00:35:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 630 transitions. [2018-11-10 00:35:58,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 00:35:58,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 00:35:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:35:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 356 states and 631 transitions. [2018-11-10 00:35:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 631 transitions. [2018-11-10 00:35:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 00:35:59,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:35:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:35:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 00:36:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:36:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 294 states and 521 transitions. [2018-11-10 00:36:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 521 transitions. [2018-11-10 00:36:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 00:36:00,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:36:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:36:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 00:36:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:36:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 295 states and 522 transitions. [2018-11-10 00:36:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 522 transitions. [2018-11-10 00:36:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 00:36:01,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:36:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:36:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 00:36:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:36:02,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 231 states and 410 transitions. [2018-11-10 00:36:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 410 transitions. [2018-11-10 00:36:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 00:36:02,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:36:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:36:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 00:36:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:36:03,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 232 states and 411 transitions. [2018-11-10 00:36:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 411 transitions. [2018-11-10 00:36:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 00:36:03,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:36:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:36:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 00:36:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:36:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 165 states and 297 transitions. [2018-11-10 00:36:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 297 transitions. [2018-11-10 00:36:04,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 00:36:04,844 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 102 iterations. [2018-11-10 00:36:04,852 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 00:36:05,442 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,445 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:36:05,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:36:05 ImpRootNode [2018-11-10 00:36:05,447 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 00:36:05,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:36:05,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:36:05,447 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:36:05,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:35:07" (3/4) ... [2018-11-10 00:36:05,451 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 00:36:05,457 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2018-11-10 00:36:05,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-10 00:36:05,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2018-11-10 00:36:05,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2018-11-10 00:36:05,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2018-11-10 00:36:05,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-11-10 00:36:05,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-11-10 00:36:05,474 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 253 nodes and edges [2018-11-10 00:36:05,476 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2018-11-10 00:36:05,478 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-10 00:36:05,479 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 00:36:05,479 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 00:36:05,593 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_31af739a-f255-4400-8f07-e3361ba74009/bin-2019/ukojak/witness.graphml [2018-11-10 00:36:05,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:36:05,594 INFO L168 Benchmark]: Toolchain (without parser) took 84380.47 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 877.1 MB). Free memory was 943.0 MB in the beginning and 956.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 863.5 MB. Max. memory is 11.5 GB. [2018-11-10 00:36:05,595 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:36:05,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2178.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.6 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 335.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:36:05,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:36:05,596 INFO L168 Benchmark]: Boogie Preprocessor took 74.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 00:36:05,596 INFO L168 Benchmark]: RCFGBuilder took 23454.06 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.7 MB). Peak memory consumption was 340.2 MB. Max. memory is 11.5 GB. [2018-11-10 00:36:05,596 INFO L168 Benchmark]: CodeCheck took 58419.04 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 577.2 MB). Free memory was 1.0 GB in the beginning and 998.8 MB in the end (delta: 49.0 MB). Peak memory consumption was 626.2 MB. Max. memory is 11.5 GB. [2018-11-10 00:36:05,597 INFO L168 Benchmark]: Witness Printer took 146.58 ms. Allocated memory is still 1.9 GB. Free memory was 998.8 MB in the beginning and 956.7 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. [2018-11-10 00:36:05,599 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 375 locations, 1 error locations. SAFE Result, 57.7s OverallTime, 102 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 165495188 SDtfs, 867634336 SDslu, 1071956892 SDs, 0 SdLazy, 2049752836 SolverSat, -437962396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1184.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34963 GetRequests, 34460 SyntacticMatches, 95 SemanticMatches, 408 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86022 ImplicationChecksByTransitivity, 36.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 3329 NumberOfCodeBlocks, 3329 NumberOfCodeBlocksAsserted, 101 NumberOfCheckSat, 3228 ConstructedInterpolants, 0 QuantifiedInterpolants, 272068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 101 InterpolantComputations, 94 PerfectInterpolantSequences, 1223/1236 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 7759]: 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: 7416]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7621]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7298]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6713]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7449]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2178.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.6 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 335.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 23454.06 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.7 MB). Peak memory consumption was 340.2 MB. Max. memory is 11.5 GB. * CodeCheck took 58419.04 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 577.2 MB). Free memory was 1.0 GB in the beginning and 998.8 MB in the end (delta: 49.0 MB). Peak memory consumption was 626.2 MB. Max. memory is 11.5 GB. * Witness Printer took 146.58 ms. Allocated memory is still 1.9 GB. Free memory was 998.8 MB in the beginning and 956.7 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...