./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:16:47,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:47,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:47,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:47,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:47,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:47,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:47,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:47,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:47,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:47,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:47,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:47,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:47,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:47,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:47,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:47,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:47,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:47,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:47,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:47,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:47,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:47,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:47,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:47,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:47,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:47,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:47,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:47,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:47,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:47,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:47,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:47,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:47,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:47,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:47,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:47,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:47,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:47,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:47,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:47,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:47,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:47,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:47,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:47,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:47,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:47,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:47,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:47,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:47,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:47,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:47,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:47,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:47,640 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:47,640 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:47,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:47,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:47,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:47,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:47,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:47,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:47,641 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:47,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:47,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:47,642 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/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-10-22 10:16:47,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:47,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:47,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:47,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:47,680 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:47,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-10-22 10:16:47,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/data/b2be469d1/f8e9105fd99e4fad9aa27e553de790f3/FLAG90b6e49d2 [2019-10-22 10:16:48,176 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:48,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-10-22 10:16:48,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/data/b2be469d1/f8e9105fd99e4fad9aa27e553de790f3/FLAG90b6e49d2 [2019-10-22 10:16:48,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/data/b2be469d1/f8e9105fd99e4fad9aa27e553de790f3 [2019-10-22 10:16:48,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:48,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:48,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:48,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:48,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:48,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17780eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48, skipping insertion in model container [2019-10-22 10:16:48,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:48,251 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:48,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:48,575 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:48,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:48,667 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:48,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48 WrapperNode [2019-10-22 10:16:48,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:48,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:48,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:48,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:48,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:48,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:48,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:48,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:48,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:48,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:48,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:48,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:48,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/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 [2019-10-22 10:16:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:16:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:16:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:16:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:16:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:16:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:16:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:16:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:16:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:16:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:16:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:16:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:16:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:16:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:16:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:16:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:16:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:49,718 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:49,718 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:16:49,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:49 BoogieIcfgContainer [2019-10-22 10:16:49,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:49,720 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:49,720 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:49,731 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:49,731 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-10-22 10:16:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-10-22 10:16:49,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:16:49,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-10-22 10:16:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-10-22 10:16:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:16:50,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-10-22 10:16:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-10-22 10:16:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:16:50,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2019-10-22 10:16:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2019-10-22 10:16:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:16:50,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2019-10-22 10:16:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2019-10-22 10:16:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:16:50,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2019-10-22 10:16:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-10-22 10:16:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:16:50,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2019-10-22 10:16:50,608 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2019-10-22 10:16:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:16:50,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2019-10-22 10:16:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2019-10-22 10:16:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:16:51,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2019-10-22 10:16:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-10-22 10:16:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:16:51,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:51,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 147 transitions. [2019-10-22 10:16:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2019-10-22 10:16:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:16:51,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 112 states and 188 transitions. [2019-10-22 10:16:52,285 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 188 transitions. [2019-10-22 10:16:52,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:16:52,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2019-10-22 10:16:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2019-10-22 10:16:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:16:52,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 201 transitions. [2019-10-22 10:16:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2019-10-22 10:16:52,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:16:52,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 200 transitions. [2019-10-22 10:16:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2019-10-22 10:16:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:16:52,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 209 transitions. [2019-10-22 10:16:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2019-10-22 10:16:52,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:16:52,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2019-10-22 10:16:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2019-10-22 10:16:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:16:52,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 218 transitions. [2019-10-22 10:16:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2019-10-22 10:16:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:16:52,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 237 transitions. [2019-10-22 10:16:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 237 transitions. [2019-10-22 10:16:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:16:53,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 238 transitions. [2019-10-22 10:16:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2019-10-22 10:16:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:16:53,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 234 transitions. [2019-10-22 10:16:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 234 transitions. [2019-10-22 10:16:53,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:16:53,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:16:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 141 states and 248 transitions. [2019-10-22 10:16:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2019-10-22 10:16:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:16:54,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 255 transitions. [2019-10-22 10:16:54,800 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 255 transitions. [2019-10-22 10:16:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:16:54,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:55,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 262 transitions. [2019-10-22 10:16:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2019-10-22 10:16:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:16:55,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:55,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 151 states and 270 transitions. [2019-10-22 10:16:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 270 transitions. [2019-10-22 10:16:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:16:55,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 161 states and 294 transitions. [2019-10-22 10:16:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 294 transitions. [2019-10-22 10:16:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:16:55,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 168 states and 306 transitions. [2019-10-22 10:16:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 306 transitions. [2019-10-22 10:16:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:16:56,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 170 states and 308 transitions. [2019-10-22 10:16:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2019-10-22 10:16:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:16:56,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 171 states and 316 transitions. [2019-10-22 10:16:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 316 transitions. [2019-10-22 10:16:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:16:56,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:16:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 172 states and 316 transitions. [2019-10-22 10:16:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2019-10-22 10:16:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:16:56,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:16:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 182 states and 347 transitions. [2019-10-22 10:16:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 347 transitions. [2019-10-22 10:16:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:16:58,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:16:58,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 187 states and 359 transitions. [2019-10-22 10:16:58,256 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 359 transitions. [2019-10-22 10:16:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:16:58,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 188 states and 360 transitions. [2019-10-22 10:16:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 360 transitions. [2019-10-22 10:16:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:16:58,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:16:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 189 states and 361 transitions. [2019-10-22 10:16:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 361 transitions. [2019-10-22 10:16:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:16:58,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:16:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 190 states and 362 transitions. [2019-10-22 10:16:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 362 transitions. [2019-10-22 10:16:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:16:58,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 206 states and 411 transitions. [2019-10-22 10:17:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 411 transitions. [2019-10-22 10:17:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:17:00,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 208 states and 414 transitions. [2019-10-22 10:17:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 414 transitions. [2019-10-22 10:17:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:17:00,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 218 states and 431 transitions. [2019-10-22 10:17:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 431 transitions. [2019-10-22 10:17:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:17:01,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 220 states and 433 transitions. [2019-10-22 10:17:02,227 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 433 transitions. [2019-10-22 10:17:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:17:02,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 223 states and 442 transitions. [2019-10-22 10:17:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 442 transitions. [2019-10-22 10:17:02,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:17:02,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 224 states and 442 transitions. [2019-10-22 10:17:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 442 transitions. [2019-10-22 10:17:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:17:02,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 225 states and 443 transitions. [2019-10-22 10:17:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 443 transitions. [2019-10-22 10:17:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:17:02,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 226 states and 444 transitions. [2019-10-22 10:17:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 444 transitions. [2019-10-22 10:17:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:17:02,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 227 states and 444 transitions. [2019-10-22 10:17:02,692 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 444 transitions. [2019-10-22 10:17:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:17:02,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 235 states and 458 transitions. [2019-10-22 10:17:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 458 transitions. [2019-10-22 10:17:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:17:04,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 235 states and 451 transitions. [2019-10-22 10:17:04,551 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 451 transitions. [2019-10-22 10:17:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:17:04,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 236 states and 452 transitions. [2019-10-22 10:17:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 452 transitions. [2019-10-22 10:17:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:17:04,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:17:04,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 237 states and 453 transitions. [2019-10-22 10:17:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 453 transitions. [2019-10-22 10:17:04,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:17:04,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:17:04,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 240 states and 458 transitions. [2019-10-22 10:17:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 458 transitions. [2019-10-22 10:17:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:17:04,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 243 states and 462 transitions. [2019-10-22 10:17:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 462 transitions. [2019-10-22 10:17:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:17:04,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:17:04,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 244 states and 463 transitions. [2019-10-22 10:17:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 463 transitions. [2019-10-22 10:17:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:17:05,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:17:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 246 states and 465 transitions. [2019-10-22 10:17:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 465 transitions. [2019-10-22 10:17:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 10:17:05,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:17:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 250 states and 472 transitions. [2019-10-22 10:17:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 472 transitions. [2019-10-22 10:17:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:17:05,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 258 states and 487 transitions. [2019-10-22 10:17:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 487 transitions. [2019-10-22 10:17:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:17:06,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:17:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 259 states and 487 transitions. [2019-10-22 10:17:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 487 transitions. [2019-10-22 10:17:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:17:06,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:17:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 497 transitions. [2019-10-22 10:17:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 497 transitions. [2019-10-22 10:17:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:17:07,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:17:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 262 states and 493 transitions. [2019-10-22 10:17:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 493 transitions. [2019-10-22 10:17:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:17:07,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:17:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 263 states and 496 transitions. [2019-10-22 10:17:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 496 transitions. [2019-10-22 10:17:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:17:08,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-22 10:17:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 265 states and 497 transitions. [2019-10-22 10:17:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 497 transitions. [2019-10-22 10:17:09,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:17:09,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:17:09,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 266 states and 497 transitions. [2019-10-22 10:17:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 497 transitions. [2019-10-22 10:17:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:17:09,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:17:09,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 268 states and 500 transitions. [2019-10-22 10:17:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 500 transitions. [2019-10-22 10:17:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:17:09,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:17:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 270 states and 502 transitions. [2019-10-22 10:17:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 502 transitions. [2019-10-22 10:17:09,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:17:09,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:17:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 268 states and 498 transitions. [2019-10-22 10:17:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 498 transitions. [2019-10-22 10:17:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:17:09,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 274 states and 510 transitions. [2019-10-22 10:17:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 510 transitions. [2019-10-22 10:17:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:17:10,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 275 states and 510 transitions. [2019-10-22 10:17:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 510 transitions. [2019-10-22 10:17:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:17:10,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:17:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 276 states and 510 transitions. [2019-10-22 10:17:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 510 transitions. [2019-10-22 10:17:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:17:10,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:17:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 276 states and 509 transitions. [2019-10-22 10:17:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 509 transitions. [2019-10-22 10:17:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:17:10,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:17:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 278 states and 512 transitions. [2019-10-22 10:17:10,229 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 512 transitions. [2019-10-22 10:17:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:17:10,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:17:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 269 states and 495 transitions. [2019-10-22 10:17:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 495 transitions. [2019-10-22 10:17:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:17:10,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:17:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 271 states and 496 transitions. [2019-10-22 10:17:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 496 transitions. [2019-10-22 10:17:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:17:10,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:17:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 273 states and 497 transitions. [2019-10-22 10:17:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 497 transitions. [2019-10-22 10:17:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-22 10:17:11,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 10:17:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 274 states and 498 transitions. [2019-10-22 10:17:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 498 transitions. [2019-10-22 10:17:11,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-22 10:17:11,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 10:17:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 266 states and 481 transitions. [2019-10-22 10:17:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 481 transitions. [2019-10-22 10:17:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-22 10:17:11,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:17:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 253 states and 458 transitions. [2019-10-22 10:17:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 458 transitions. [2019-10-22 10:17:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 10:17:11,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 258 states and 470 transitions. [2019-10-22 10:17:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 470 transitions. [2019-10-22 10:17:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-22 10:17:11,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 266 states and 489 transitions. [2019-10-22 10:17:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 489 transitions. [2019-10-22 10:17:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-22 10:17:12,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 267 states and 490 transitions. [2019-10-22 10:17:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 490 transitions. [2019-10-22 10:17:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 10:17:12,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 269 states and 491 transitions. [2019-10-22 10:17:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 491 transitions. [2019-10-22 10:17:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 10:17:13,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 270 states and 492 transitions. [2019-10-22 10:17:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 492 transitions. [2019-10-22 10:17:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 10:17:13,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:17:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 272 states and 493 transitions. [2019-10-22 10:17:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 493 transitions. [2019-10-22 10:17:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-22 10:17:13,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-22 10:17:14,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 140 states and 208 transitions. [2019-10-22 10:17:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 208 transitions. [2019-10-22 10:17:14,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:14,224 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 80 iterations. [2019-10-22 10:17:14,233 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:17:14,667 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:17:14,673 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,673 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,673 INFO L575 CodeCheckObserver]: Invariant with dag size 14 [2019-10-22 10:17:14,674 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,674 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,674 INFO L575 CodeCheckObserver]: Invariant with dag size 15 [2019-10-22 10:17:14,675 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,675 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,675 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,675 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:17:14,676 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,676 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:14,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:14 ImpRootNode [2019-10-22 10:17:14,676 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:14,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:14,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:14,677 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:14,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:49" (3/4) ... [2019-10-22 10:17:14,681 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:14,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:17:14,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:17:14,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:17:14,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:17:14,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:17:14,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:17:14,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:17:14,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-10-22 10:17:14,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-10-22 10:17:14,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:17:14,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:17:14,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:17:14,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:17:14,722 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-10-22 10:17:14,722 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-10-22 10:17:14,723 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) || methaneLevelCritical == tmp) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp) || 0 == systemActive [2019-10-22 10:17:14,754 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8568b82-0bde-4bf9-a295-78a7f91bae1e/bin/ukojak/witness.graphml [2019-10-22 10:17:14,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:14,756 INFO L168 Benchmark]: Toolchain (without parser) took 26552.55 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 522.7 MB). Free memory was 945.9 MB in the beginning and 1.3 GB in the end (delta: -341.8 MB). Peak memory consumption was 180.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:14,757 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:14,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:14,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.94 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. [2019-10-22 10:17:14,758 INFO L168 Benchmark]: Boogie Preprocessor took 27.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:14,758 INFO L168 Benchmark]: RCFGBuilder took 971.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:14,758 INFO L168 Benchmark]: CodeCheck took 24956.17 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 386.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -249.5 MB). Peak memory consumption was 136.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:14,759 INFO L168 Benchmark]: Witness Printer took 77.96 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:14,760 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 8 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 24.4s, OverallIterations: 80, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1678787088 SDtfs, -914507712 SDslu, -684243864 SDs, 0 SdLazy, 1612813348 SolverSat, 924793528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42148 GetRequests, 41346 SyntacticMatches, 420 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65912 ImplicationChecksByTransitivity, 18.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3887 NumberOfCodeBlocks, 3887 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 3808 ConstructedInterpolants, 0 QuantifiedInterpolants, 438572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 79 InterpolantComputations, 53 PerfectInterpolantSequences, 1644/1845 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: 940]: 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: 632]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) || methaneLevelCritical == tmp) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp) || 0 == systemActive - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.94 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 27.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 971.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 24956.17 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 386.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -249.5 MB). Peak memory consumption was 136.9 MB. Max. memory is 11.5 GB. * Witness Printer took 77.96 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...