./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c01215307b2c8189e4e6745962a1a26d113e8096 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:52:13,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:52:13,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:52:13,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:52:13,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:52:13,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:52:13,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:52:13,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:52:13,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:52:13,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:52:13,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:52:13,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:52:13,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:52:13,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:52:13,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:52:13,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:52:13,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:52:13,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:52:13,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:52:13,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:52:13,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:52:13,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:52:13,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:52:13,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:52:13,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:52:13,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:52:13,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:52:13,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:52:13,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:52:13,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:52:13,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:52:13,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:52:13,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:52:13,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:52:13,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:52:13,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:52:13,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:52:13,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:52:13,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:52:13,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:52:13,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:52:13,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 04:52:13,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:52:13,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:52:13,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:52:13,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:52:13,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:52:13,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:52:13,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:52:13,713 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:52:13,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:52:13,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:52:13,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:52:13,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:52:13,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:52:13,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:52:13,715 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:52:13,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:52:13,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:52:13,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:52:13,715 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:52:13,715 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:52:13,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:52:13,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:52:13,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:52:13,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:52:13,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:52:13,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:52:13,717 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 04:52:13,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:52:13,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:52:13,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c01215307b2c8189e4e6745962a1a26d113e8096 [2019-11-20 04:52:13,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:52:13,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:52:13,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:52:13,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:52:13,870 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:52:13,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-11-20 04:52:13,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/data/1d124711b/24e9ffa7d66245a0803cf374ac28fae4/FLAGab8b49635 [2019-11-20 04:52:14,373 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:52:14,373 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-11-20 04:52:14,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/data/1d124711b/24e9ffa7d66245a0803cf374ac28fae4/FLAGab8b49635 [2019-11-20 04:52:14,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/data/1d124711b/24e9ffa7d66245a0803cf374ac28fae4 [2019-11-20 04:52:14,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:52:14,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:52:14,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:52:14,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:52:14,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:52:14,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:52:14" (1/1) ... [2019-11-20 04:52:14,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed8bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:14, skipping insertion in model container [2019-11-20 04:52:14,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:52:14" (1/1) ... [2019-11-20 04:52:14,906 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:52:14,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:52:15,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:52:15,385 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:52:15,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:52:15,478 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:52:15,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15 WrapperNode [2019-11-20 04:52:15,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:52:15,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:52:15,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:52:15,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:52:15,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:52:15,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:52:15,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:52:15,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:52:15,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... [2019-11-20 04:52:15,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:52:15,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:52:15,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:52:15,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:52:15,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:52:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:52:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:52:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 04:52:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 04:52:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 04:52:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 04:52:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 04:52:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 04:52:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 04:52:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 04:52:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 04:52:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 04:52:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 04:52:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 04:52:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 04:52:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 04:52:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 04:52:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 04:52:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:52:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 04:52:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 04:52:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:52:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:52:16,505 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:52:16,505 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 04:52:16,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:52:16 BoogieIcfgContainer [2019-11-20 04:52:16,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:52:16,507 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:52:16,507 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:52:16,516 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:52:16,517 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:52:16" (1/1) ... [2019-11-20 04:52:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:52:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2019-11-20 04:52:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2019-11-20 04:52:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 04:52:16,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2019-11-20 04:52:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2019-11-20 04:52:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 04:52:16,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2019-11-20 04:52:16,979 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2019-11-20 04:52:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 04:52:16,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2019-11-20 04:52:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2019-11-20 04:52:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 04:52:17,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2019-11-20 04:52:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2019-11-20 04:52:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:52:17,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2019-11-20 04:52:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-11-20 04:52:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:52:17,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2019-11-20 04:52:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-11-20 04:52:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:52:17,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2019-11-20 04:52:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2019-11-20 04:52:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:52:18,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2019-11-20 04:52:18,179 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2019-11-20 04:52:18,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:52:18,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 198 transitions. [2019-11-20 04:52:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2019-11-20 04:52:19,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:52:19,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 125 states and 204 transitions. [2019-11-20 04:52:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2019-11-20 04:52:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 04:52:19,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 126 states and 205 transitions. [2019-11-20 04:52:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2019-11-20 04:52:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 04:52:19,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 129 states and 213 transitions. [2019-11-20 04:52:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 213 transitions. [2019-11-20 04:52:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 04:52:20,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 132 states and 221 transitions. [2019-11-20 04:52:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 221 transitions. [2019-11-20 04:52:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 04:52:20,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 230 transitions. [2019-11-20 04:52:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 230 transitions. [2019-11-20 04:52:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 04:52:20,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 244 transitions. [2019-11-20 04:52:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 244 transitions. [2019-11-20 04:52:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:52:20,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 145 states and 249 transitions. [2019-11-20 04:52:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 249 transitions. [2019-11-20 04:52:21,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:52:21,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:52:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 143 states and 243 transitions. [2019-11-20 04:52:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2019-11-20 04:52:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:52:21,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:21,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 252 transitions. [2019-11-20 04:52:21,206 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2019-11-20 04:52:21,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 04:52:21,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:22,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 157 states and 279 transitions. [2019-11-20 04:52:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2019-11-20 04:52:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:52:22,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 155 states and 275 transitions. [2019-11-20 04:52:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 275 transitions. [2019-11-20 04:52:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:52:22,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 04:52:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 158 states and 282 transitions. [2019-11-20 04:52:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 282 transitions. [2019-11-20 04:52:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:52:23,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 164 states and 296 transitions. [2019-11-20 04:52:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2019-11-20 04:52:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:52:24,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 165 states and 297 transitions. [2019-11-20 04:52:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 297 transitions. [2019-11-20 04:52:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 04:52:24,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 166 states and 298 transitions. [2019-11-20 04:52:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 298 transitions. [2019-11-20 04:52:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:52:24,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 173 states and 310 transitions. [2019-11-20 04:52:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 310 transitions. [2019-11-20 04:52:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:52:24,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 175 states and 311 transitions. [2019-11-20 04:52:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 311 transitions. [2019-11-20 04:52:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:52:24,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:52:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 176 states and 311 transitions. [2019-11-20 04:52:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 311 transitions. [2019-11-20 04:52:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:52:25,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 177 states and 312 transitions. [2019-11-20 04:52:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 312 transitions. [2019-11-20 04:52:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:52:25,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:52:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 193 states and 361 transitions. [2019-11-20 04:52:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 361 transitions. [2019-11-20 04:52:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:52:27,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:52:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 195 states and 364 transitions. [2019-11-20 04:52:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 364 transitions. [2019-11-20 04:52:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 04:52:27,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:52:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 207 states and 398 transitions. [2019-11-20 04:52:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 398 transitions. [2019-11-20 04:52:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 04:52:29,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:52:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:29,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 209 states and 402 transitions. [2019-11-20 04:52:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 402 transitions. [2019-11-20 04:52:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 04:52:29,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:52:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 210 states and 402 transitions. [2019-11-20 04:52:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 402 transitions. [2019-11-20 04:52:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 04:52:29,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:52:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 211 states and 403 transitions. [2019-11-20 04:52:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 403 transitions. [2019-11-20 04:52:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 04:52:29,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:29,669 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:52:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 212 states and 404 transitions. [2019-11-20 04:52:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 404 transitions. [2019-11-20 04:52:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 04:52:29,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 229 states and 444 transitions. [2019-11-20 04:52:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 444 transitions. [2019-11-20 04:52:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 04:52:31,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:52:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 232 states and 450 transitions. [2019-11-20 04:52:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 450 transitions. [2019-11-20 04:52:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 04:52:31,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 233 states and 451 transitions. [2019-11-20 04:52:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 451 transitions. [2019-11-20 04:52:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 04:52:32,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 245 states and 474 transitions. [2019-11-20 04:52:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 474 transitions. [2019-11-20 04:52:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 04:52:34,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 246 states and 475 transitions. [2019-11-20 04:52:34,154 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 475 transitions. [2019-11-20 04:52:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 04:52:34,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:52:34,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 249 states and 480 transitions. [2019-11-20 04:52:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 480 transitions. [2019-11-20 04:52:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 04:52:34,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:52:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:34,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 250 states and 481 transitions. [2019-11-20 04:52:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 481 transitions. [2019-11-20 04:52:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:52:34,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 254 states and 483 transitions. [2019-11-20 04:52:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 483 transitions. [2019-11-20 04:52:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 04:52:35,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 04:52:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 256 states and 487 transitions. [2019-11-20 04:52:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 487 transitions. [2019-11-20 04:52:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 04:52:35,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:52:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 260 states and 495 transitions. [2019-11-20 04:52:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 495 transitions. [2019-11-20 04:52:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 04:52:36,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 04:52:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 266 states and 510 transitions. [2019-11-20 04:52:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 510 transitions. [2019-11-20 04:52:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 04:52:37,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 268 states and 512 transitions. [2019-11-20 04:52:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 512 transitions. [2019-11-20 04:52:37,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 04:52:37,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 04:52:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 269 states and 513 transitions. [2019-11-20 04:52:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 513 transitions. [2019-11-20 04:52:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 04:52:37,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 04:52:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 276 states and 525 transitions. [2019-11-20 04:52:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 525 transitions. [2019-11-20 04:52:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 04:52:38,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 04:52:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 278 states and 526 transitions. [2019-11-20 04:52:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 526 transitions. [2019-11-20 04:52:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 04:52:38,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 04:52:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 279 states and 529 transitions. [2019-11-20 04:52:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 529 transitions. [2019-11-20 04:52:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:52:39,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 04:52:39,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 280 states and 531 transitions. [2019-11-20 04:52:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 531 transitions. [2019-11-20 04:52:39,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:52:39,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 04:52:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 284 states and 536 transitions. [2019-11-20 04:52:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 536 transitions. [2019-11-20 04:52:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:52:39,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:52:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 285 states and 536 transitions. [2019-11-20 04:52:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 536 transitions. [2019-11-20 04:52:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 04:52:39,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:52:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 283 states and 532 transitions. [2019-11-20 04:52:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 532 transitions. [2019-11-20 04:52:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 04:52:39,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:52:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 284 states and 535 transitions. [2019-11-20 04:52:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 535 transitions. [2019-11-20 04:52:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:52:40,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 04:52:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 285 states and 538 transitions. [2019-11-20 04:52:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 538 transitions. [2019-11-20 04:52:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 04:52:40,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 04:52:40,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 288 states and 543 transitions. [2019-11-20 04:52:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 543 transitions. [2019-11-20 04:52:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 04:52:40,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:41,017 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:52:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 290 states and 547 transitions. [2019-11-20 04:52:41,534 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 547 transitions. [2019-11-20 04:52:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 04:52:41,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:52:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 292 states and 549 transitions. [2019-11-20 04:52:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 549 transitions. [2019-11-20 04:52:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 04:52:41,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:52:41,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 293 states and 550 transitions. [2019-11-20 04:52:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 550 transitions. [2019-11-20 04:52:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 04:52:41,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 04:52:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 294 states and 552 transitions. [2019-11-20 04:52:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 552 transitions. [2019-11-20 04:52:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 04:52:41,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:43,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 303 states and 569 transitions. [2019-11-20 04:52:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 569 transitions. [2019-11-20 04:52:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 04:52:43,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:52:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:43,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 301 states and 565 transitions. [2019-11-20 04:52:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 565 transitions. [2019-11-20 04:52:43,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 04:52:43,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:44,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 306 states and 571 transitions. [2019-11-20 04:52:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 571 transitions. [2019-11-20 04:52:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 04:52:44,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 04:52:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 307 states and 571 transitions. [2019-11-20 04:52:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 571 transitions. [2019-11-20 04:52:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 04:52:44,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:44,217 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 308 states and 572 transitions. [2019-11-20 04:52:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 572 transitions. [2019-11-20 04:52:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 04:52:44,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 04:52:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 311 states and 578 transitions. [2019-11-20 04:52:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 578 transitions. [2019-11-20 04:52:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 04:52:45,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:52:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 312 states and 579 transitions. [2019-11-20 04:52:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 579 transitions. [2019-11-20 04:52:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 04:52:45,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 04:52:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 302 states and 557 transitions. [2019-11-20 04:52:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 557 transitions. [2019-11-20 04:52:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 04:52:45,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 04:52:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 304 states and 560 transitions. [2019-11-20 04:52:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 560 transitions. [2019-11-20 04:52:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 04:52:45,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 04:52:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 304 states and 558 transitions. [2019-11-20 04:52:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 558 transitions. [2019-11-20 04:52:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 04:52:45,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 04:52:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:45,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 305 states and 559 transitions. [2019-11-20 04:52:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 559 transitions. [2019-11-20 04:52:45,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 04:52:45,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 04:52:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 292 states and 536 transitions. [2019-11-20 04:52:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 536 transitions. [2019-11-20 04:52:46,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 04:52:46,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:52:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:46,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 294 states and 537 transitions. [2019-11-20 04:52:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 537 transitions. [2019-11-20 04:52:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 04:52:46,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:52:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 296 states and 538 transitions. [2019-11-20 04:52:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 538 transitions. [2019-11-20 04:52:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 04:52:46,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 04:52:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 294 states and 528 transitions. [2019-11-20 04:52:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 528 transitions. [2019-11-20 04:52:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 04:52:47,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:52:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:52:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 04:52:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:52:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 148 states and 204 transitions. [2019-11-20 04:52:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2019-11-20 04:52:48,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:52:48,890 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2019-11-20 04:52:48,911 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 04:52:49,492 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,496 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 04:52:49,499 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,499 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,499 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 04:52:49,500 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 04:52:49,501 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,502 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,502 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,502 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,502 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,502 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 04:52:49,503 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:52:49,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:52:49 ImpRootNode [2019-11-20 04:52:49,504 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 04:52:49,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:52:49,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:52:49,504 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:52:49,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:52:16" (3/4) ... [2019-11-20 04:52:49,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:52:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 04:52:49,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 04:52:49,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 04:52:49,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 04:52:49,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 04:52:49,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 04:52:49,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 04:52:49,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 04:52:49,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 04:52:49,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-11-20 04:52:49,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 04:52:49,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 04:52:49,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 04:52:49,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:52:49,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 04:52:49,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-11-20 04:52:49,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-20 04:52:49,598 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3cd2097b-be94-4a00-a28f-2d8d92fc7803/bin/ukojak/witness.graphml [2019-11-20 04:52:49,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:52:49,600 INFO L168 Benchmark]: Toolchain (without parser) took 34705.74 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 632.3 MB). Free memory was 944.7 MB in the beginning and 1.4 GB in the end (delta: -479.2 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:52:49,600 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:52:49,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:52:49,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:52:49,601 INFO L168 Benchmark]: Boogie Preprocessor took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:52:49,602 INFO L168 Benchmark]: RCFGBuilder took 943.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:52:49,602 INFO L168 Benchmark]: CodeCheck took 32997.01 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 477.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -383.0 MB). Peak memory consumption was 94.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:52:49,603 INFO L168 Benchmark]: Witness Printer took 94.26 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:52:49,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 69 locations, 1 error locations. Result: SAFE, OverallTime: 32.3s, OverallIterations: 79, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 302464072 SDtfs, -628166844 SDslu, -1264763604 SDs, 0 SdLazy, 125396772 SolverSat, 558700804 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44400 GetRequests, 43641 SyntacticMatches, 361 SemanticMatches, 398 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72504 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 4030 NumberOfCodeBlocks, 4030 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 3952 ConstructedInterpolants, 0 QuantifiedInterpolants, 425410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 62 PerfectInterpolantSequences, 1616/1713 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 116]: 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: 91]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 583.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 943.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * CodeCheck took 32997.01 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 477.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -383.0 MB). Peak memory consumption was 94.1 MB. Max. memory is 11.5 GB. * Witness Printer took 94.26 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...