./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18788254abfa5723715f3d4730fe86dc47b8285d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:36:30,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:36:30,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:36:30,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:36:30,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:36:30,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:36:30,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:36:30,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:36:30,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:36:30,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:36:30,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:36:30,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:36:30,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:36:30,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:36:30,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:36:30,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:36:30,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:36:30,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:36:30,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:36:30,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:36:30,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:36:30,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:36:30,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:36:30,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:36:30,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:36:30,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:36:30,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:36:30,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:36:30,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:36:30,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:36:30,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:36:30,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:36:30,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:36:30,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:36:30,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:36:30,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:36:30,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:36:30,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:36:30,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:36:30,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:36:30,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:36:30,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:36:30,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:36:30,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:36:30,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:36:30,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:36:30,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:36:30,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:36:30,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:36:30,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:36:30,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:36:30,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:36:30,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:36:30,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:36:30,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:36:30,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:36:30,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:36:30,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:36:30,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:36:30,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:36:30,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:36:30,761 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:36:30,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:36:30,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:36:30,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:36:30,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:36:30,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:36:30,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:36:30,763 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:36:30,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:36:30,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:36:30,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18788254abfa5723715f3d4730fe86dc47b8285d [2020-11-30 00:36:31,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:36:31,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:36:31,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:36:31,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:36:31,133 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:36:31,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-30 00:36:31,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/data/50bfd49cf/c8a661c4caac4c7fb74e39d798fcf29c/FLAG05679fe12 [2020-11-30 00:36:31,833 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:36:31,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-11-30 00:36:31,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/data/50bfd49cf/c8a661c4caac4c7fb74e39d798fcf29c/FLAG05679fe12 [2020-11-30 00:36:32,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/data/50bfd49cf/c8a661c4caac4c7fb74e39d798fcf29c [2020-11-30 00:36:32,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:36:32,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:36:32,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:36:32,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:36:32,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:36:32,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dec1036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32, skipping insertion in model container [2020-11-30 00:36:32,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:36:32,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:36:32,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:36:32,572 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:36:32,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:36:32,727 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:36:32,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32 WrapperNode [2020-11-30 00:36:32,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:36:32,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:36:32,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:36:32,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:36:32,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:36:32,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:36:32,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:36:32,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:36:32,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... [2020-11-30 00:36:32,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:36:32,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:36:32,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:36:32,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:36:32,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/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 [2020-11-30 00:36:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:36:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 00:36:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 00:36:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:36:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:36:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:36:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:36:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:36:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:36:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:36:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:36:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 00:36:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 00:36:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:36:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:36:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:36:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:36:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:36:34,254 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:36:34,255 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-30 00:36:34,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:34 BoogieIcfgContainer [2020-11-30 00:36:34,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:36:34,259 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:36:34,259 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:36:34,271 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:36:34,271 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:34" (1/1) ... [2020-11-30 00:36:34,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2020-11-30 00:36:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-30 00:36:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:36:34,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-11-30 00:36:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-30 00:36:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:36:34,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-11-30 00:36:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-11-30 00:36:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:36:34,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2020-11-30 00:36:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2020-11-30 00:36:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:36:35,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2020-11-30 00:36:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2020-11-30 00:36:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:36:35,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2020-11-30 00:36:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2020-11-30 00:36:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:36:35,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:35,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2020-11-30 00:36:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2020-11-30 00:36:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:36:35,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 140 transitions. [2020-11-30 00:36:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 140 transitions. [2020-11-30 00:36:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:36:36,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 149 transitions. [2020-11-30 00:36:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2020-11-30 00:36:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 00:36:36,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:37,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 184 transitions. [2020-11-30 00:36:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2020-11-30 00:36:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:36:37,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:37,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2020-11-30 00:36:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2020-11-30 00:36:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:36:37,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 202 transitions. [2020-11-30 00:36:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 202 transitions. [2020-11-30 00:36:37,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:36:37,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:36:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 211 transitions. [2020-11-30 00:36:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-11-30 00:36:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:36:37,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 214 transitions. [2020-11-30 00:36:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 214 transitions. [2020-11-30 00:36:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:36:37,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 216 transitions. [2020-11-30 00:36:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2020-11-30 00:36:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:36:38,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:36:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 224 transitions. [2020-11-30 00:36:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2020-11-30 00:36:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:36:38,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:36:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 243 transitions. [2020-11-30 00:36:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2020-11-30 00:36:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:36:38,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:36:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 143 states and 250 transitions. [2020-11-30 00:36:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 250 transitions. [2020-11-30 00:36:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 00:36:39,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:36:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 144 states and 251 transitions. [2020-11-30 00:36:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-11-30 00:36:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:36:40,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:36:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 254 transitions. [2020-11-30 00:36:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 254 transitions. [2020-11-30 00:36:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:36:40,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:36:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 152 states and 267 transitions. [2020-11-30 00:36:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 267 transitions. [2020-11-30 00:36:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:36:41,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:36:42,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 159 states and 283 transitions. [2020-11-30 00:36:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2020-11-30 00:36:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 00:36:42,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:36:42,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 160 states and 284 transitions. [2020-11-30 00:36:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 284 transitions. [2020-11-30 00:36:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:36:42,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:42,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 167 states and 296 transitions. [2020-11-30 00:36:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 296 transitions. [2020-11-30 00:36:42,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:36:42,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:36:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 296 transitions. [2020-11-30 00:36:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 296 transitions. [2020-11-30 00:36:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:36:42,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:36:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 184 states and 331 transitions. [2020-11-30 00:36:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2020-11-30 00:36:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:36:44,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 185 states and 332 transitions. [2020-11-30 00:36:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 332 transitions. [2020-11-30 00:36:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:36:44,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:36:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 197 states and 362 transitions. [2020-11-30 00:36:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 362 transitions. [2020-11-30 00:36:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 00:36:46,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:36:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 205 states and 381 transitions. [2020-11-30 00:36:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 381 transitions. [2020-11-30 00:36:48,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:36:48,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:36:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 381 transitions. [2020-11-30 00:36:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 381 transitions. [2020-11-30 00:36:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:36:48,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:36:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 207 states and 382 transitions. [2020-11-30 00:36:48,373 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 382 transitions. [2020-11-30 00:36:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:36:48,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:36:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:48,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 208 states and 383 transitions. [2020-11-30 00:36:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 383 transitions. [2020-11-30 00:36:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:36:48,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:36:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 211 states and 389 transitions. [2020-11-30 00:36:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 389 transitions. [2020-11-30 00:36:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 00:36:48,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 00:36:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 219 states and 408 transitions. [2020-11-30 00:36:50,040 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 408 transitions. [2020-11-30 00:36:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-30 00:36:50,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:36:50,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 226 states and 420 transitions. [2020-11-30 00:36:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 420 transitions. [2020-11-30 00:36:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:36:50,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 00:36:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 229 states and 419 transitions. [2020-11-30 00:36:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 419 transitions. [2020-11-30 00:36:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 00:36:51,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:36:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 230 states and 421 transitions. [2020-11-30 00:36:51,263 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 421 transitions. [2020-11-30 00:36:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 00:36:51,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:36:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 231 states and 424 transitions. [2020-11-30 00:36:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 424 transitions. [2020-11-30 00:36:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:36:51,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:36:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 236 states and 433 transitions. [2020-11-30 00:36:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 433 transitions. [2020-11-30 00:36:51,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 00:36:51,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:36:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 237 states and 434 transitions. [2020-11-30 00:36:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 434 transitions. [2020-11-30 00:36:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:36:51,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:51,954 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 238 states and 434 transitions. [2020-11-30 00:36:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 434 transitions. [2020-11-30 00:36:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:36:51,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:36:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 239 states and 437 transitions. [2020-11-30 00:36:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 437 transitions. [2020-11-30 00:36:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:36:52,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:36:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 240 states and 438 transitions. [2020-11-30 00:36:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 438 transitions. [2020-11-30 00:36:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:36:52,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:52,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 245 states and 446 transitions. [2020-11-30 00:36:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 446 transitions. [2020-11-30 00:36:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:36:52,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:36:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 247 states and 451 transitions. [2020-11-30 00:36:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 451 transitions. [2020-11-30 00:36:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:36:52,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 248 states and 452 transitions. [2020-11-30 00:36:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 452 transitions. [2020-11-30 00:36:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:36:52,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 251 states and 456 transitions. [2020-11-30 00:36:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 456 transitions. [2020-11-30 00:36:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:36:53,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 252 states and 456 transitions. [2020-11-30 00:36:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 456 transitions. [2020-11-30 00:36:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 00:36:53,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:53,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 253 states and 457 transitions. [2020-11-30 00:36:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 457 transitions. [2020-11-30 00:36:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-30 00:36:53,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 00:36:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 256 states and 460 transitions. [2020-11-30 00:36:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 460 transitions. [2020-11-30 00:36:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 00:36:53,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:36:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 257 states and 461 transitions. [2020-11-30 00:36:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 461 transitions. [2020-11-30 00:36:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-30 00:36:53,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:36:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 259 states and 463 transitions. [2020-11-30 00:36:53,437 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 463 transitions. [2020-11-30 00:36:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 00:36:53,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:36:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 90 states and 120 transitions. [2020-11-30 00:36:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-11-30 00:36:53,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:36:53,499 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2020-11-30 00:36:53,507 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:36:53,900 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-30 00:36:53,910 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 00:36:53,911 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,911 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,912 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,912 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,912 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,912 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,912 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,912 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 00:36:53,916 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,917 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,917 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:53,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:36:53 ImpRootNode [2020-11-30 00:36:53,918 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:36:53,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:36:53,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:36:53,919 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:36:53,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:34" (3/4) ... [2020-11-30 00:36:53,931 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:36:53,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 00:36:53,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 00:36:53,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 00:36:53,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 00:36:53,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 00:36:53,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 00:36:53,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 00:36:53,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-11-30 00:36:53,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:36:53,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:36:53,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:36:53,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:36:53,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:36:53,959 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:36:53,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-30 00:36:54,030 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c469628c-5da7-4585-8536-c6c092e6b067/bin/ukojak/witness.graphml [2020-11-30 00:36:54,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:36:54,032 INFO L168 Benchmark]: Toolchain (without parser) took 21908.95 ms. Allocated memory was 83.9 MB in the beginning and 352.3 MB in the end (delta: 268.4 MB). Free memory was 46.4 MB in the beginning and 138.4 MB in the end (delta: -92.0 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:54,032 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:36:54,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.62 ms. Allocated memory is still 83.9 MB. Free memory was 46.2 MB in the beginning and 50.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:54,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.95 ms. Allocated memory is still 83.9 MB. Free memory was 50.7 MB in the beginning and 48.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:54,033 INFO L168 Benchmark]: Boogie Preprocessor took 82.80 ms. Allocated memory is still 83.9 MB. Free memory was 48.4 MB in the beginning and 46.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:54,034 INFO L168 Benchmark]: RCFGBuilder took 1358.89 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 46.5 MB in the beginning and 84.8 MB in the end (delta: -38.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:54,034 INFO L168 Benchmark]: CodeCheck took 19659.21 ms. Allocated memory was 111.1 MB in the beginning and 352.3 MB in the end (delta: 241.2 MB). Free memory was 84.8 MB in the beginning and 143.7 MB in the end (delta: -58.8 MB). Peak memory consumption was 184.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:54,035 INFO L168 Benchmark]: Witness Printer took 111.45 ms. Allocated memory is still 352.3 MB. Free memory was 143.7 MB in the beginning and 138.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:54,037 INFO L339 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, 57 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 53, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1710714304 SDtfs, -1479544880 SDslu, -609205724 SDs, 0 SdLazy, 1217641664 SolverSat, 2134452880 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23859 GetRequests, 23551 SyntacticMatches, 30 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35341 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2354 NumberOfCodeBlocks, 2354 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2302 ConstructedInterpolants, 0 QuantifiedInterpolants, 209361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 43 PerfectInterpolantSequences, 906/946 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: 3]: 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: 879]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.62 ms. Allocated memory is still 83.9 MB. Free memory was 46.2 MB in the beginning and 50.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.95 ms. Allocated memory is still 83.9 MB. Free memory was 50.7 MB in the beginning and 48.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.80 ms. Allocated memory is still 83.9 MB. Free memory was 48.4 MB in the beginning and 46.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1358.89 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 46.5 MB in the beginning and 84.8 MB in the end (delta: -38.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * CodeCheck took 19659.21 ms. Allocated memory was 111.1 MB in the beginning and 352.3 MB in the end (delta: 241.2 MB). Free memory was 84.8 MB in the beginning and 143.7 MB in the end (delta: -58.8 MB). Peak memory consumption was 184.2 MB. Max. memory is 16.1 GB. * Witness Printer took 111.45 ms. Allocated memory is still 352.3 MB. Free memory was 143.7 MB in the beginning and 138.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...