./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40fed9ba382e53b697a1093810870166e2d037a9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 09:34:45,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 09:34:45,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 09:34:45,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 09:34:45,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 09:34:45,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 09:34:45,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 09:34:45,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 09:34:45,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 09:34:45,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 09:34:45,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 09:34:45,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 09:34:45,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 09:34:45,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 09:34:45,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 09:34:45,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 09:34:45,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 09:34:45,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 09:34:45,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 09:34:45,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 09:34:45,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 09:34:45,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 09:34:45,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 09:34:45,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 09:34:45,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 09:34:45,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 09:34:45,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 09:34:45,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 09:34:45,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 09:34:45,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 09:34:45,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 09:34:45,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 09:34:45,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 09:34:45,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 09:34:45,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 09:34:45,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 09:34:45,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 09:34:45,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 09:34:45,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 09:34:45,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 09:34:45,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 09:34:45,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 09:34:45,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 09:34:45,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 09:34:45,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 09:34:45,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 09:34:45,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 09:34:45,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 09:34:45,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 09:34:45,057 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 09:34:45,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 09:34:45,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 09:34:45,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 09:34:45,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 09:34:45,059 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 09:34:45,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 09:34:45,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 09:34:45,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 09:34:45,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 09:34:45,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 09:34:45,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 09:34:45,060 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 09:34:45,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 09:34:45,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 09:34:45,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-12-01 09:34:45,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 09:34:45,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 09:34:45,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 09:34:45,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 09:34:45,171 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 09:34:45,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-01 09:34:45,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/data/701bd9d81/d5d3ec08c4b7405fa6fe7deec25c38a8/FLAGa2596f6b2 [2019-12-01 09:34:45,625 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 09:34:45,625 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-01 09:34:45,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/data/701bd9d81/d5d3ec08c4b7405fa6fe7deec25c38a8/FLAGa2596f6b2 [2019-12-01 09:34:45,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/data/701bd9d81/d5d3ec08c4b7405fa6fe7deec25c38a8 [2019-12-01 09:34:46,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 09:34:46,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 09:34:46,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 09:34:46,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 09:34:46,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 09:34:46,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:34:45" (1/1) ... [2019-12-01 09:34:46,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a523291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46, skipping insertion in model container [2019-12-01 09:34:46,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:34:45" (1/1) ... [2019-12-01 09:34:46,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 09:34:46,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 09:34:46,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 09:34:46,275 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 09:34:46,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 09:34:46,342 INFO L208 MainTranslator]: Completed translation [2019-12-01 09:34:46,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46 WrapperNode [2019-12-01 09:34:46,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 09:34:46,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 09:34:46,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 09:34:46,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 09:34:46,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 09:34:46,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 09:34:46,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 09:34:46,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 09:34:46,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 09:34:46,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 09:34:46,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 09:34:46,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 09:34:46,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:34:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 09:34:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 09:34:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 09:34:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 09:34:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 09:34:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 09:34:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 09:34:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 09:34:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 09:34:46,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 09:34:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 09:34:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 09:34:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-12-01 09:34:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-12-01 09:34:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 09:34:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 09:34:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 09:34:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 09:34:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 09:34:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 09:34:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 09:34:46,951 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 09:34:46,951 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 09:34:46,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:34:46 BoogieIcfgContainer [2019-12-01 09:34:46,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 09:34:46,953 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 09:34:46,953 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 09:34:46,959 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 09:34:46,960 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:34:46" (1/1) ... [2019-12-01 09:34:46,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 09:34:46,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2019-12-01 09:34:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2019-12-01 09:34:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 09:34:46,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2019-12-01 09:34:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2019-12-01 09:34:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 09:34:47,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2019-12-01 09:34:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2019-12-01 09:34:47,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 09:34:47,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2019-12-01 09:34:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2019-12-01 09:34:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 09:34:47,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2019-12-01 09:34:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2019-12-01 09:34:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 09:34:47,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 165 transitions. [2019-12-01 09:34:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2019-12-01 09:34:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 09:34:48,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2019-12-01 09:34:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2019-12-01 09:34:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 09:34:48,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:48,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2019-12-01 09:34:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2019-12-01 09:34:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 09:34:48,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2019-12-01 09:34:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2019-12-01 09:34:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 09:34:48,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2019-12-01 09:34:49,089 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2019-12-01 09:34:49,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 09:34:49,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2019-12-01 09:34:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2019-12-01 09:34:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 09:34:49,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2019-12-01 09:34:49,243 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2019-12-01 09:34:49,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 09:34:49,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 126 states and 213 transitions. [2019-12-01 09:34:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2019-12-01 09:34:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 09:34:49,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 128 states and 218 transitions. [2019-12-01 09:34:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2019-12-01 09:34:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 09:34:49,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 09:34:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 126 states and 212 transitions. [2019-12-01 09:34:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2019-12-01 09:34:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 09:34:49,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 09:34:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 129 states and 220 transitions. [2019-12-01 09:34:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 220 transitions. [2019-12-01 09:34:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 09:34:50,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:50,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 137 states and 236 transitions. [2019-12-01 09:34:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2019-12-01 09:34:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 09:34:50,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 143 states and 252 transitions. [2019-12-01 09:34:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2019-12-01 09:34:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 09:34:51,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 141 states and 248 transitions. [2019-12-01 09:34:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2019-12-01 09:34:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 09:34:51,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 09:34:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:51,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 144 states and 251 transitions. [2019-12-01 09:34:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2019-12-01 09:34:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 09:34:51,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 146 states and 256 transitions. [2019-12-01 09:34:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 256 transitions. [2019-12-01 09:34:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 09:34:51,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 09:34:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 158 states and 284 transitions. [2019-12-01 09:34:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2019-12-01 09:34:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 09:34:52,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 09:34:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 169 states and 316 transitions. [2019-12-01 09:34:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 316 transitions. [2019-12-01 09:34:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 09:34:53,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 175 states and 331 transitions. [2019-12-01 09:34:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 331 transitions. [2019-12-01 09:34:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 09:34:54,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 176 states and 331 transitions. [2019-12-01 09:34:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 331 transitions. [2019-12-01 09:34:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 09:34:54,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 178 states and 332 transitions. [2019-12-01 09:34:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 332 transitions. [2019-12-01 09:34:54,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 09:34:54,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 09:34:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 186 states and 345 transitions. [2019-12-01 09:34:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 345 transitions. [2019-12-01 09:34:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 09:34:55,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 09:34:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:55,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 187 states and 347 transitions. [2019-12-01 09:34:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 347 transitions. [2019-12-01 09:34:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 09:34:55,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 09:34:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 189 states and 349 transitions. [2019-12-01 09:34:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 349 transitions. [2019-12-01 09:34:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 09:34:56,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 09:34:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 190 states and 350 transitions. [2019-12-01 09:34:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 350 transitions. [2019-12-01 09:34:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 09:34:56,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 09:34:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 146 states and 241 transitions. [2019-12-01 09:34:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 241 transitions. [2019-12-01 09:34:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 09:34:56,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 09:34:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 148 states and 244 transitions. [2019-12-01 09:34:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2019-12-01 09:34:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 09:34:56,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-12-01 09:34:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 149 states and 245 transitions. [2019-12-01 09:34:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 245 transitions. [2019-12-01 09:34:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 09:34:56,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:34:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:34:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 09:34:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:34:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 71 states and 88 transitions. [2019-12-01 09:34:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-12-01 09:34:57,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 09:34:57,027 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-12-01 09:34:57,034 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 09:34:57,259 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,263 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,263 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 09:34:57,266 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,266 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,266 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,266 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 09:34:57,267 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,267 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,267 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,267 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 09:34:57,267 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,267 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 09:34:57,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 09:34:57,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:34:57 ImpRootNode [2019-12-01 09:34:57,268 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 09:34:57,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 09:34:57,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 09:34:57,268 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 09:34:57,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:34:46" (3/4) ... [2019-12-01 09:34:57,271 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 09:34:57,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 09:34:57,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 09:34:57,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 09:34:57,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 09:34:57,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 09:34:57,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 09:34:57,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 09:34:57,277 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-12-01 09:34:57,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2019-12-01 09:34:57,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-01 09:34:57,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 09:34:57,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 09:34:57,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 09:34:57,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 09:34:57,285 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 09:34:57,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) [2019-12-01 09:34:57,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-12-01 09:34:57,339 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10af89e6-00d5-4865-bc02-6a5e4f21c6ba/bin/ukojak/witness.graphml [2019-12-01 09:34:57,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 09:34:57,341 INFO L168 Benchmark]: Toolchain (without parser) took 11338.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.8 MB). Free memory was 940.8 MB in the beginning and 846.2 MB in the end (delta: 94.6 MB). Peak memory consumption was 371.5 MB. Max. memory is 11.5 GB. [2019-12-01 09:34:57,341 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 09:34:57,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-01 09:34:57,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 09:34:57,342 INFO L168 Benchmark]: Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 09:34:57,343 INFO L168 Benchmark]: RCFGBuilder took 549.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2019-12-01 09:34:57,343 INFO L168 Benchmark]: CodeCheck took 10315.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 996.3 MB in the beginning and 858.6 MB in the end (delta: 137.7 MB). Peak memory consumption was 319.1 MB. Max. memory is 11.5 GB. [2019-12-01 09:34:57,343 INFO L168 Benchmark]: Witness Printer took 71.04 ms. Allocated memory is still 1.3 GB. Free memory was 858.6 MB in the beginning and 846.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-12-01 09:34:57,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 10.0s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2042322596 SDtfs, 711812156 SDslu, 26028460 SDs, 0 SdLazy, 468056908 SolverSat, 1387407492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15177 GetRequests, 14876 SyntacticMatches, 57 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24344 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1426 NumberOfCodeBlocks, 1426 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1393 ConstructedInterpolants, 0 QuantifiedInterpolants, 130342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 389/418 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: 778]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 549.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * CodeCheck took 10315.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 996.3 MB in the beginning and 858.6 MB in the end (delta: 137.7 MB). Peak memory consumption was 319.1 MB. Max. memory is 11.5 GB. * Witness Printer took 71.04 ms. Allocated memory is still 1.3 GB. Free memory was 858.6 MB in the beginning and 846.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...