./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/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 8105acde44a746346743774bfdcca7c2d11e450d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:54:42,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:54:42,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:54:43,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:54:43,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:54:43,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:54:43,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:54:43,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:54:43,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:54:43,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:54:43,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:54:43,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:54:43,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:54:43,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:54:43,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:54:43,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:54:43,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:54:43,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:54:43,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:54:43,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:54:43,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:54:43,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:54:43,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:54:43,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:54:43,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:54:43,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:54:43,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:54:43,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:54:43,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:54:43,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:54:43,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:54:43,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:54:43,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:54:43,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:54:43,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:54:43,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:54:43,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:54:43,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:54:43,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:54:43,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:54:43,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:54:43,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:54:43,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:54:43,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:54:43,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:54:43,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:54:43,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:54:43,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:54:43,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:54:43,139 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:54:43,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:54:43,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:54:43,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:54:43,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:54:43,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:54:43,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:54:43,142 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:54:43,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:54:43,143 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:54:43,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:54:43,144 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:54:43,144 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:54:43,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:54:43,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:54:43,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:54:43,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:54:43,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:54:43,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:54:43,147 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:54:43,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:54:43,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:54:43,149 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_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8105acde44a746346743774bfdcca7c2d11e450d [2020-12-01 17:54:43,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:54:43,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:54:43,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:54:43,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:54:43,546 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:54:43,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-12-01 17:54:43,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/data/8ce93a5f0/351e8f2219e6461bb4b4debce850588f/FLAGe8d3d2efc [2020-12-01 17:54:44,376 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:54:44,377 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-12-01 17:54:44,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/data/8ce93a5f0/351e8f2219e6461bb4b4debce850588f/FLAGe8d3d2efc [2020-12-01 17:54:44,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/data/8ce93a5f0/351e8f2219e6461bb4b4debce850588f [2020-12-01 17:54:44,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:54:44,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:54:44,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:44,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:54:44,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:54:44,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:44" (1/1) ... [2020-12-01 17:54:44,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5990b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:44, skipping insertion in model container [2020-12-01 17:54:44,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:44" (1/1) ... [2020-12-01 17:54:44,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:54:44,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:54:45,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:45,107 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:54:45,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:45,330 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:54:45,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45 WrapperNode [2020-12-01 17:54:45,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:45,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:45,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:54:45,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:54:45,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:45,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:54:45,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:54:45,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:54:45,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... [2020-12-01 17:54:45,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:54:45,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:54:45,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:54:45,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:54:45,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/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 [2020-12-01 17:54:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:54:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:54:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:54:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:54:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:54:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:54:45,611 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:54:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:54:45,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:54:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:54:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:54:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:54:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:54:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:54:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:54:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:54:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:54:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:54:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:54:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:54:47,218 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:54:47,219 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 17:54:47,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:47 BoogieIcfgContainer [2020-12-01 17:54:47,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:54:47,224 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:54:47,224 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:54:47,238 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:54:47,239 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:47" (1/1) ... [2020-12-01 17:54:47,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:54:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2020-12-01 17:54:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2020-12-01 17:54:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:54:47,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2020-12-01 17:54:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-12-01 17:54:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:54:47,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2020-12-01 17:54:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-12-01 17:54:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:54:47,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2020-12-01 17:54:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2020-12-01 17:54:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:48,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2020-12-01 17:54:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2020-12-01 17:54:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:48,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2020-12-01 17:54:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2020-12-01 17:54:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:48,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2020-12-01 17:54:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-12-01 17:54:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:48,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 152 transitions. [2020-12-01 17:54:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2020-12-01 17:54:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:54:49,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 116 states and 193 transitions. [2020-12-01 17:54:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2020-12-01 17:54:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:54:51,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 120 states and 199 transitions. [2020-12-01 17:54:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 199 transitions. [2020-12-01 17:54:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:54:52,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 121 states and 202 transitions. [2020-12-01 17:54:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 202 transitions. [2020-12-01 17:54:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:54:52,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 210 transitions. [2020-12-01 17:54:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2020-12-01 17:54:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:54:52,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 126 states and 212 transitions. [2020-12-01 17:54:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2020-12-01 17:54:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 17:54:52,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 220 transitions. [2020-12-01 17:54:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 220 transitions. [2020-12-01 17:54:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:54:53,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 134 states and 229 transitions. [2020-12-01 17:54:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2020-12-01 17:54:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:54:53,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 140 states and 243 transitions. [2020-12-01 17:54:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2020-12-01 17:54:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:54:53,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 144 states and 252 transitions. [2020-12-01 17:54:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2020-12-01 17:54:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:54:53,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 257 transitions. [2020-12-01 17:54:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 257 transitions. [2020-12-01 17:54:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:54:54,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:54,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 251 transitions. [2020-12-01 17:54:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-12-01 17:54:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:54:54,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:54:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 153 states and 270 transitions. [2020-12-01 17:54:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 270 transitions. [2020-12-01 17:54:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:54:55,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:54:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 156 states and 277 transitions. [2020-12-01 17:54:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 277 transitions. [2020-12-01 17:54:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:54:57,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:54:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 157 states and 280 transitions. [2020-12-01 17:54:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 280 transitions. [2020-12-01 17:54:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:54:57,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:54:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 164 states and 292 transitions. [2020-12-01 17:54:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2020-12-01 17:54:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:54:58,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:54:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 171 states and 308 transitions. [2020-12-01 17:54:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 308 transitions. [2020-12-01 17:54:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:54:59,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:55:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 172 states and 308 transitions. [2020-12-01 17:55:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 308 transitions. [2020-12-01 17:55:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:55:00,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:55:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 173 states and 308 transitions. [2020-12-01 17:55:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 308 transitions. [2020-12-01 17:55:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:55:00,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 174 states and 309 transitions. [2020-12-01 17:55:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 309 transitions. [2020-12-01 17:55:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:55:00,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 175 states and 310 transitions. [2020-12-01 17:55:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 310 transitions. [2020-12-01 17:55:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:55:00,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:55:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 191 states and 353 transitions. [2020-12-01 17:55:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 353 transitions. [2020-12-01 17:55:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:55:03,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 192 states and 354 transitions. [2020-12-01 17:55:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 354 transitions. [2020-12-01 17:55:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:55:03,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:55:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 204 states and 384 transitions. [2020-12-01 17:55:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 384 transitions. [2020-12-01 17:55:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:55:06,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:55:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 205 states and 384 transitions. [2020-12-01 17:55:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 384 transitions. [2020-12-01 17:55:06,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:55:06,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:55:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 385 transitions. [2020-12-01 17:55:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 385 transitions. [2020-12-01 17:55:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:55:06,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:55:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 207 states and 386 transitions. [2020-12-01 17:55:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 386 transitions. [2020-12-01 17:55:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:55:06,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:55:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 210 states and 392 transitions. [2020-12-01 17:55:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2020-12-01 17:55:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:55:06,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:55:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 217 states and 404 transitions. [2020-12-01 17:55:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 404 transitions. [2020-12-01 17:55:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:55:07,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:55:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 222 states and 409 transitions. [2020-12-01 17:55:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 409 transitions. [2020-12-01 17:55:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:55:08,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:55:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 223 states and 411 transitions. [2020-12-01 17:55:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 411 transitions. [2020-12-01 17:55:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:55:08,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:55:09,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 224 states and 414 transitions. [2020-12-01 17:55:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 414 transitions. [2020-12-01 17:55:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:55:09,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:55:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 225 states and 415 transitions. [2020-12-01 17:55:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 415 transitions. [2020-12-01 17:55:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:55:09,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:10,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 227 states and 419 transitions. [2020-12-01 17:55:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2020-12-01 17:55:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:55:10,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 233 states and 433 transitions. [2020-12-01 17:55:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 433 transitions. [2020-12-01 17:55:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:55:11,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 238 states and 442 transitions. [2020-12-01 17:55:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 442 transitions. [2020-12-01 17:55:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:55:12,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:55:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 239 states and 442 transitions. [2020-12-01 17:55:12,248 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 442 transitions. [2020-12-01 17:55:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:55:12,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 240 states and 445 transitions. [2020-12-01 17:55:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 445 transitions. [2020-12-01 17:55:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:55:12,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 241 states and 446 transitions. [2020-12-01 17:55:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 446 transitions. [2020-12-01 17:55:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:55:12,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 246 states and 455 transitions. [2020-12-01 17:55:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 455 transitions. [2020-12-01 17:55:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:55:13,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 248 states and 461 transitions. [2020-12-01 17:55:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 461 transitions. [2020-12-01 17:55:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:55:13,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:55:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 251 states and 465 transitions. [2020-12-01 17:55:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 465 transitions. [2020-12-01 17:55:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:55:13,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:55:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 252 states and 466 transitions. [2020-12-01 17:55:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 466 transitions. [2020-12-01 17:55:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:55:13,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 253 states and 467 transitions. [2020-12-01 17:55:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 467 transitions. [2020-12-01 17:55:13,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 17:55:13,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:16,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 262 states and 484 transitions. [2020-12-01 17:55:16,062 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 484 transitions. [2020-12-01 17:55:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:16,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:55:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 263 states and 485 transitions. [2020-12-01 17:55:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 485 transitions. [2020-12-01 17:55:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:55:16,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 264 states and 486 transitions. [2020-12-01 17:55:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 486 transitions. [2020-12-01 17:55:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:55:16,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:55:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 267 states and 489 transitions. [2020-12-01 17:55:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 489 transitions. [2020-12-01 17:55:16,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:55:16,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:55:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 109 states and 141 transitions. [2020-12-01 17:55:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2020-12-01 17:55:16,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:55:16,479 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2020-12-01 17:55:16,491 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:55:17,102 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:55:17,112 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,113 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,113 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,113 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,114 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,114 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:55:17,115 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,115 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,115 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:55:17,116 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,116 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,117 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:55:17,117 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:17,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:55:17 ImpRootNode [2020-12-01 17:55:17,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:55:17,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:55:17,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:55:17,119 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:55:17,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:47" (3/4) ... [2020-12-01 17:55:17,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:55:17,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:55:17,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:55:17,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:55:17,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:55:17,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:55:17,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:55:17,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:55:17,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:55:17,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-12-01 17:55:17,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 17:55:17,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:55:17,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:55:17,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:55:17,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:55:17,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:55:17,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-12-01 17:55:17,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 17:55:17,265 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_11f0fb03-0faa-4496-a9ba-c9bd10bd87b7/bin/ukojak/witness.graphml [2020-12-01 17:55:17,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:55:17,268 INFO L168 Benchmark]: Toolchain (without parser) took 32649.56 ms. Allocated memory was 90.2 MB in the beginning and 358.6 MB in the end (delta: 268.4 MB). Free memory was 71.2 MB in the beginning and 229.1 MB in the end (delta: -157.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:17,269 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:55:17,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.62 ms. Allocated memory is still 90.2 MB. Free memory was 71.2 MB in the beginning and 58.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:17,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.62 ms. Allocated memory is still 90.2 MB. Free memory was 58.1 MB in the beginning and 55.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:17,271 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 53.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:17,271 INFO L168 Benchmark]: RCFGBuilder took 1741.41 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 53.6 MB in the beginning and 87.9 MB in the end (delta: -34.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:17,272 INFO L168 Benchmark]: CodeCheck took 29894.36 ms. Allocated memory was 115.3 MB in the beginning and 358.6 MB in the end (delta: 243.3 MB). Free memory was 87.9 MB in the beginning and 234.3 MB in the end (delta: -146.4 MB). Peak memory consumption was 96.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:17,273 INFO L168 Benchmark]: Witness Printer took 147.15 ms. Allocated memory is still 358.6 MB. Free memory was 234.3 MB in the beginning and 229.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:17,278 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 9 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.2s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1962471072 SDtfs, 1666266252 SDslu, -270954996 SDs, 0 SdLazy, -1527610212 SolverSat, -2127240400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25583 GetRequests, 25294 SyntacticMatches, 13 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32863 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2491 NumberOfCodeBlocks, 2491 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2436 ConstructedInterpolants, 0 QuantifiedInterpolants, 221416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 47 PerfectInterpolantSequences, 868/905 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: 633]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (!(0 == tmp) && !(pumpRunning == 0)) || methaneLevelCritical == tmp - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.62 ms. Allocated memory is still 90.2 MB. Free memory was 71.2 MB in the beginning and 58.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.62 ms. Allocated memory is still 90.2 MB. Free memory was 58.1 MB in the beginning and 55.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.95 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 53.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1741.41 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 53.6 MB in the beginning and 87.9 MB in the end (delta: -34.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * CodeCheck took 29894.36 ms. Allocated memory was 115.3 MB in the beginning and 358.6 MB in the end (delta: 243.3 MB). Free memory was 87.9 MB in the beginning and 234.3 MB in the end (delta: -146.4 MB). Peak memory consumption was 96.3 MB. Max. memory is 16.1 GB. * Witness Printer took 147.15 ms. Allocated memory is still 358.6 MB. Free memory was 234.3 MB in the beginning and 229.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...