./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.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_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/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 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:34:43,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:34:43,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:34:44,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:34:44,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:34:44,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:34:44,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:34:44,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:34:44,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:34:44,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:34:44,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:34:44,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:34:44,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:34:44,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:34:44,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:34:44,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:34:44,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:34:44,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:34:44,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:34:44,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:34:44,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:34:44,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:34:44,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:34:44,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:34:44,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:34:44,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:34:44,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:34:44,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:34:44,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:34:44,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:34:44,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:34:44,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:34:44,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:34:44,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:34:44,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:34:44,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:34:44,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:34:44,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:34:44,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:34:44,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:34:44,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:34:44,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:34:44,188 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:34:44,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:34:44,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:34:44,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:34:44,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:34:44,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:34:44,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:34:44,193 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:34:44,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:34:44,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:34:44,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:34:44,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:34:44,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:34:44,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:34:44,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:34:44,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:34:44,197 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:34:44,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:34:44,197 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:34:44,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:34:44,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:34:44,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:34:44,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:34:44,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:34:44,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:34:44,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:34:44,200 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:34:44,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:34:44,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:34:44,203 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_d802ee37-f68b-4048-895c-9031aa9ff0f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2020-12-01 17:34:44,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:34:44,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:34:44,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:34:44,681 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:34:44,683 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:34:44,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-12-01 17:34:44,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/data/20feb9bf8/888b1b2571ca4e80bb6407195efaa837/FLAGbb767faf1 [2020-12-01 17:34:45,563 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:34:45,565 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-12-01 17:34:45,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/data/20feb9bf8/888b1b2571ca4e80bb6407195efaa837/FLAGbb767faf1 [2020-12-01 17:34:45,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/data/20feb9bf8/888b1b2571ca4e80bb6407195efaa837 [2020-12-01 17:34:45,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:34:45,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:34:45,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:34:45,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:34:45,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:34:45,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:34:45" (1/1) ... [2020-12-01 17:34:45,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a57b4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:45, skipping insertion in model container [2020-12-01 17:34:45,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:34:45" (1/1) ... [2020-12-01 17:34:45,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:34:45,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:34:46,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:34:46,392 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:34:46,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:34:46,608 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:34:46,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46 WrapperNode [2020-12-01 17:34:46,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:34:46,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:34:46,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:34:46,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:34:46,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:34:46,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:34:46,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:34:46,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:34:46,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... [2020-12-01 17:34:46,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:34:46,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:34:46,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:34:46,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:34:46,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:34:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/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 17:34:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:34:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:34:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:34:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:34:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:34:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:34:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:34:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:34:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:34:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:34:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:34:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 17:34:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 17:34:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:34:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:34:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:34:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:34:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:34:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:34:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:34:48,538 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:34:48,538 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 17:34:48,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:34:48 BoogieIcfgContainer [2020-12-01 17:34:48,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:34:48,566 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:34:48,566 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:34:48,578 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:34:48,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:34:48" (1/1) ... [2020-12-01 17:34:48,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:34:48,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2020-12-01 17:34:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2020-12-01 17:34:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:34:48,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:49,015 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 17:34:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-12-01 17:34:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-12-01 17:34:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:34:49,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:49,232 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 17:34:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:49,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-12-01 17:34:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-12-01 17:34:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:34:49,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:49,417 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 17:34:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-12-01 17:34:49,608 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-12-01 17:34:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:34:49,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:49,699 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 17:34:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2020-12-01 17:34:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-12-01 17:34:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:34:50,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:50,335 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 17:34:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 135 transitions. [2020-12-01 17:34:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 135 transitions. [2020-12-01 17:34:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:34:51,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:51,190 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 17:34:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2020-12-01 17:34:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2020-12-01 17:34:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:34:51,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:51,280 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 17:34:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2020-12-01 17:34:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2020-12-01 17:34:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:34:51,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:51,546 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 17:34:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2020-12-01 17:34:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2020-12-01 17:34:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:34:51,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:51,613 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 17:34:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 98 states and 148 transitions. [2020-12-01 17:34:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2020-12-01 17:34:51,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:34:51,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:51,705 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 17:34:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:51,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2020-12-01 17:34:51,745 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2020-12-01 17:34:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:51,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:51,868 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 17:34:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 123 states and 203 transitions. [2020-12-01 17:34:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2020-12-01 17:34:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:34:53,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:53,480 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 17:34:54,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 132 states and 222 transitions. [2020-12-01 17:34:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2020-12-01 17:34:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:34:54,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:54,935 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 17:34:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2020-12-01 17:34:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2020-12-01 17:34:54,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:34:54,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:55,025 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 17:34:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 134 states and 224 transitions. [2020-12-01 17:34:55,046 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 224 transitions. [2020-12-01 17:34:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:34:55,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:55,142 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 17:34:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2020-12-01 17:34:55,186 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2020-12-01 17:34:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:34:55,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:55,231 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 17:34:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 140 states and 238 transitions. [2020-12-01 17:34:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 238 transitions. [2020-12-01 17:34:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:34:55,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:55,540 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 17:34:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2020-12-01 17:34:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2020-12-01 17:34:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:34:55,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:56,023 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 17:34:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 148 states and 255 transitions. [2020-12-01 17:34:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 255 transitions. [2020-12-01 17:34:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:34:56,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:56,138 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 17:34:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 152 states and 263 transitions. [2020-12-01 17:34:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2020-12-01 17:34:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:34:56,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:56,236 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 17:34:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 158 states and 278 transitions. [2020-12-01 17:34:56,688 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2020-12-01 17:34:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:34:56,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:56,743 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 17:34:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 159 states and 279 transitions. [2020-12-01 17:34:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 279 transitions. [2020-12-01 17:34:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:34:56,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:56,805 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 17:34:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 160 states and 280 transitions. [2020-12-01 17:34:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 280 transitions. [2020-12-01 17:34:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:34:56,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:57,298 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 17:34:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 163 states and 288 transitions. [2020-12-01 17:34:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 288 transitions. [2020-12-01 17:34:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:34:58,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:58,406 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 17:34:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 166 states and 294 transitions. [2020-12-01 17:34:59,196 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2020-12-01 17:34:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:34:59,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:59,245 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 17:34:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 170 states and 304 transitions. [2020-12-01 17:34:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 304 transitions. [2020-12-01 17:34:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:34:59,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:59,679 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 17:34:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:34:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 171 states and 305 transitions. [2020-12-01 17:34:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 305 transitions. [2020-12-01 17:34:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:34:59,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:34:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:34:59,741 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 17:35:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 174 states and 311 transitions. [2020-12-01 17:35:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 311 transitions. [2020-12-01 17:35:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:35:00,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:00,709 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 17:35:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:00,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 178 states and 314 transitions. [2020-12-01 17:35:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 314 transitions. [2020-12-01 17:35:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:35:00,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:35:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:02,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 187 states and 331 transitions. [2020-12-01 17:35:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 331 transitions. [2020-12-01 17:35:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:35:02,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:35:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 194 states and 349 transitions. [2020-12-01 17:35:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 349 transitions. [2020-12-01 17:35:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:35:02,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:35:02,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:02,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 199 states and 356 transitions. [2020-12-01 17:35:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 356 transitions. [2020-12-01 17:35:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:35:02,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:35:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 209 states and 378 transitions. [2020-12-01 17:35:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 378 transitions. [2020-12-01 17:35:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:35:06,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:35:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 210 states and 379 transitions. [2020-12-01 17:35:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 379 transitions. [2020-12-01 17:35:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:35:06,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:06,407 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 17:35:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 226 states and 415 transitions. [2020-12-01 17:35:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 415 transitions. [2020-12-01 17:35:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:35:09,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:09,553 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 17:35:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 226 states and 412 transitions. [2020-12-01 17:35:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 412 transitions. [2020-12-01 17:35:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:35:10,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:35:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 227 states and 413 transitions. [2020-12-01 17:35:10,307 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 413 transitions. [2020-12-01 17:35:10,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:35:10,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:35:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 228 states and 414 transitions. [2020-12-01 17:35:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 414 transitions. [2020-12-01 17:35:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:35:10,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:35:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 228 states and 411 transitions. [2020-12-01 17:35:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 411 transitions. [2020-12-01 17:35:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:35:11,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:11,581 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 17:35:11,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 229 states and 412 transitions. [2020-12-01 17:35:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 412 transitions. [2020-12-01 17:35:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:35:11,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:11,657 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 17:35:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:12,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 230 states and 415 transitions. [2020-12-01 17:35:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 415 transitions. [2020-12-01 17:35:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:35:12,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:12,128 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 17:35:12,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 233 states and 419 transitions. [2020-12-01 17:35:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 419 transitions. [2020-12-01 17:35:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:35:12,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:35:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 241 states and 440 transitions. [2020-12-01 17:35:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 440 transitions. [2020-12-01 17:35:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 17:35:13,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:35:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 246 states and 450 transitions. [2020-12-01 17:35:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 450 transitions. [2020-12-01 17:35:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:35:13,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:35:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 247 states and 451 transitions. [2020-12-01 17:35:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 451 transitions. [2020-12-01 17:35:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:35:13,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:13,809 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 17:35:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 253 states and 462 transitions. [2020-12-01 17:35:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 462 transitions. [2020-12-01 17:35:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:35:14,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:14,431 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 17:35:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 254 states and 463 transitions. [2020-12-01 17:35:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 463 transitions. [2020-12-01 17:35:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:35:14,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:14,543 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 17:35:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 255 states and 466 transitions. [2020-12-01 17:35:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 466 transitions. [2020-12-01 17:35:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:35:15,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:15,147 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 17:35:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 258 states and 469 transitions. [2020-12-01 17:35:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 469 transitions. [2020-12-01 17:35:15,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:35:15,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:35:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 261 states and 473 transitions. [2020-12-01 17:35:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 473 transitions. [2020-12-01 17:35:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:35:15,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:35:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 264 states and 478 transitions. [2020-12-01 17:35:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 478 transitions. [2020-12-01 17:35:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:35:15,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:35:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 265 states and 479 transitions. [2020-12-01 17:35:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 479 transitions. [2020-12-01 17:35:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:35:16,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 17:35:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 266 states and 480 transitions. [2020-12-01 17:35:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 480 transitions. [2020-12-01 17:35:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:35:16,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:35:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 267 states and 481 transitions. [2020-12-01 17:35:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 481 transitions. [2020-12-01 17:35:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 17:35:16,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:35:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 87 states and 115 transitions. [2020-12-01 17:35:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-12-01 17:35:16,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:35:16,225 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2020-12-01 17:35:16,233 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:35:16,646 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,651 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,651 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,651 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,652 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,652 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-12-01 17:35:16,657 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,657 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:35:16,658 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,658 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,659 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:35:16,660 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:16,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:35:16 ImpRootNode [2020-12-01 17:35:16,660 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:35:16,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:35:16,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:35:16,661 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:35:16,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:34:48" (3/4) ... [2020-12-01 17:35:16,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:35:16,671 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:35:16,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:35:16,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:35:16,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:35:16,672 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:35:16,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:35:16,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:35:16,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 17:35:16,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 17:35:16,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:35:16,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:35:16,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:35:16,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:35:16,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:35:16,687 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:35:16,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) [2020-12-01 17:35:16,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d802ee37-f68b-4048-895c-9031aa9ff0f0/bin/ukojak/witness.graphml [2020-12-01 17:35:16,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:35:16,769 INFO L168 Benchmark]: Toolchain (without parser) took 30929.64 ms. Allocated memory was 90.2 MB in the beginning and 377.5 MB in the end (delta: 287.3 MB). Free memory was 60.0 MB in the beginning and 177.3 MB in the end (delta: -117.3 MB). Peak memory consumption was 169.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:16,769 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 47.9 MB in the beginning and 47.9 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:35:16,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.35 ms. Allocated memory is still 90.2 MB. Free memory was 59.8 MB in the beginning and 58.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:16,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.07 ms. Allocated memory is still 90.2 MB. Free memory was 58.2 MB in the beginning and 55.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:16,771 INFO L168 Benchmark]: Boogie Preprocessor took 62.05 ms. Allocated memory is still 90.2 MB. Free memory was 55.6 MB in the beginning and 54.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:16,772 INFO L168 Benchmark]: RCFGBuilder took 1798.43 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 53.5 MB in the beginning and 94.8 MB in the end (delta: -41.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:16,772 INFO L168 Benchmark]: CodeCheck took 28094.68 ms. Allocated memory was 117.4 MB in the beginning and 377.5 MB in the end (delta: 260.0 MB). Free memory was 94.8 MB in the beginning and 182.6 MB in the end (delta: -87.7 MB). Peak memory consumption was 171.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:16,773 INFO L168 Benchmark]: Witness Printer took 106.11 ms. Allocated memory is still 377.5 MB. Free memory was 182.6 MB in the beginning and 177.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:16,776 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.6s, OverallIterations: 55, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 478057516 SDtfs, 622624220 SDslu, -279651172 SDs, 0 SdLazy, 2057157372 SolverSat, 1058734956 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24088 GetRequests, 23778 SyntacticMatches, 1 SemanticMatches, 309 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41929 ImplicationChecksByTransitivity, 20.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2335 NumberOfCodeBlocks, 2335 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2281 ConstructedInterpolants, 0 QuantifiedInterpolants, 202237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 53 PerfectInterpolantSequences, 817/818 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: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 47.9 MB in the beginning and 47.9 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 767.35 ms. Allocated memory is still 90.2 MB. Free memory was 59.8 MB in the beginning and 58.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.07 ms. Allocated memory is still 90.2 MB. Free memory was 58.2 MB in the beginning and 55.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.05 ms. Allocated memory is still 90.2 MB. Free memory was 55.6 MB in the beginning and 54.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1798.43 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 53.5 MB in the beginning and 94.8 MB in the end (delta: -41.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * CodeCheck took 28094.68 ms. Allocated memory was 117.4 MB in the beginning and 377.5 MB in the end (delta: 260.0 MB). Free memory was 94.8 MB in the beginning and 182.6 MB in the end (delta: -87.7 MB). Peak memory consumption was 171.2 MB. Max. memory is 16.1 GB. * Witness Printer took 106.11 ms. Allocated memory is still 377.5 MB. Free memory was 182.6 MB in the beginning and 177.3 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...