./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/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 be998c7f0ff858151615865f07914b789231e9b9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:54:57,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:54:57,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:54:57,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:54:57,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:54:57,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:54:57,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:54:57,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:54:57,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:54:57,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:54:57,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:54:57,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:54:57,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:54:57,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:54:57,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:54:57,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:54:57,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:54:57,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:54:57,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:54:57,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:54:57,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:54:57,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:54:57,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:54:57,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:54:57,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:54:57,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:54:57,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:54:57,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:54:57,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:54:57,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:54:57,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:54:57,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:54:57,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:54:57,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:54:57,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:54:57,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:54:57,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:54:57,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:54:57,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:54:57,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:54:57,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:54:57,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:54:57,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:54:57,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:54:57,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:54:57,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:54:57,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:54:57,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:54:57,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:54:57,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:54:57,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:54:57,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:54:57,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:54:57,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:54:57,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:54:57,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:54:57,671 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:54:57,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:54:57,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:54:57,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:54:57,672 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:54:57,673 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:54:57,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:54:57,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:54:57,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:54:57,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:54:57,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:54:57,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:54:57,675 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:54:57,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:54:57,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:54:57,676 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_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be998c7f0ff858151615865f07914b789231e9b9 [2020-12-01 17:54:58,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:54:58,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:54:58,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:54:58,127 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:54:58,130 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:54:58,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-12-01 17:54:58,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/data/4a79d8e2d/f716854ba44f4d46be767cbccf072800/FLAG500472431 [2020-12-01 17:54:58,973 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:54:58,974 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-12-01 17:54:58,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/data/4a79d8e2d/f716854ba44f4d46be767cbccf072800/FLAG500472431 [2020-12-01 17:54:59,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/data/4a79d8e2d/f716854ba44f4d46be767cbccf072800 [2020-12-01 17:54:59,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:54:59,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:54:59,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:59,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:54:59,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:54:59,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:59" (1/1) ... [2020-12-01 17:54:59,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea1956b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:59, skipping insertion in model container [2020-12-01 17:54:59,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:59" (1/1) ... [2020-12-01 17:54:59,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:54:59,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:54:59,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:59,936 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:55:00,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:55:00,144 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:55:00,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00 WrapperNode [2020-12-01 17:55:00,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:55:00,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:55:00,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:55:00,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:55:00,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:55:00,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:55:00,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:55:00,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:55:00,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... [2020-12-01 17:55:00,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:55:00,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:55:00,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:55:00,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:55:00,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/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 17:55:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:55:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:55:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:55:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:55:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:55:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:55:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:55:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:55:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:55:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:55:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:55:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:55:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:55:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:55:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:55:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:55:02,159 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:55:02,160 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 17:55:02,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:55:02 BoogieIcfgContainer [2020-12-01 17:55:02,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:55:02,165 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:55:02,165 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:55:02,185 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:55:02,186 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:55:02" (1/1) ... [2020-12-01 17:55:02,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:55:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2020-12-01 17:55:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-12-01 17:55:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:55:02,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:02,697 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 17:55:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2020-12-01 17:55:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2020-12-01 17:55:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:55:02,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:02,953 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 17:55:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2020-12-01 17:55:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-12-01 17:55:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:55:03,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,204 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 17:55:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2020-12-01 17:55:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-12-01 17:55:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:55:03,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,406 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 17:55:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2020-12-01 17:55:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2020-12-01 17:55:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:55:03,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,780 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 17:55:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2020-12-01 17:55:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2020-12-01 17:55:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:55:03,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,867 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 17:55:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2020-12-01 17:55:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-12-01 17:55:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:55:03,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:04,019 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 17:55:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2020-12-01 17:55:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2020-12-01 17:55:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:55:04,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:04,857 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 17:55:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2020-12-01 17:55:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2020-12-01 17:55:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:55:05,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:05,608 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 17:55:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2020-12-01 17:55:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2020-12-01 17:55:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:55:05,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,067 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 17:55:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 170 transitions. [2020-12-01 17:55:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 170 transitions. [2020-12-01 17:55:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:06,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,343 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 17:55:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 171 transitions. [2020-12-01 17:55:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2020-12-01 17:55:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:55:06,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 106 states and 184 transitions. [2020-12-01 17:55:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 184 transitions. [2020-12-01 17:55:06,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:55:06,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 107 states and 187 transitions. [2020-12-01 17:55:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 187 transitions. [2020-12-01 17:55:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:55:06,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 108 states and 190 transitions. [2020-12-01 17:55:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 190 transitions. [2020-12-01 17:55:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:55:06,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 193 transitions. [2020-12-01 17:55:07,016 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2020-12-01 17:55:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:55:07,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 112 states and 199 transitions. [2020-12-01 17:55:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 199 transitions. [2020-12-01 17:55:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:55:07,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 113 states and 202 transitions. [2020-12-01 17:55:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 202 transitions. [2020-12-01 17:55:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:55:07,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 117 states and 206 transitions. [2020-12-01 17:55:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 206 transitions. [2020-12-01 17:55:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:55:07,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2020-12-01 17:55:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2020-12-01 17:55:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:55:08,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:09,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 131 states and 246 transitions. [2020-12-01 17:55:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 246 transitions. [2020-12-01 17:55:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:55:09,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 140 states and 270 transitions. [2020-12-01 17:55:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 270 transitions. [2020-12-01 17:55:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:55:12,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 141 states and 271 transitions. [2020-12-01 17:55:12,426 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 271 transitions. [2020-12-01 17:55:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:55:12,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 272 transitions. [2020-12-01 17:55:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2020-12-01 17:55:12,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:55:12,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 147 states and 287 transitions. [2020-12-01 17:55:14,147 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 287 transitions. [2020-12-01 17:55:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:55:14,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 150 states and 292 transitions. [2020-12-01 17:55:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 292 transitions. [2020-12-01 17:55:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:55:15,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:55:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 151 states and 292 transitions. [2020-12-01 17:55:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 292 transitions. [2020-12-01 17:55:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:55:15,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:55:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 154 states and 293 transitions. [2020-12-01 17:55:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 293 transitions. [2020-12-01 17:55:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:55:16,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 311 transitions. [2020-12-01 17:55:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 311 transitions. [2020-12-01 17:55:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:55:18,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:55:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 304 transitions. [2020-12-01 17:55:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 304 transitions. [2020-12-01 17:55:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:55:18,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:55:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 165 states and 313 transitions. [2020-12-01 17:55:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 313 transitions. [2020-12-01 17:55:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:55:18,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:55:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 166 states and 313 transitions. [2020-12-01 17:55:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 313 transitions. [2020-12-01 17:55:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:55:18,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:55:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 167 states and 314 transitions. [2020-12-01 17:55:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 314 transitions. [2020-12-01 17:55:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:55:18,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:55:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 168 states and 315 transitions. [2020-12-01 17:55:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 315 transitions. [2020-12-01 17:55:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:55:19,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:55:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 176 states and 330 transitions. [2020-12-01 17:55:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 330 transitions. [2020-12-01 17:55:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:55:19,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:55:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 177 states and 331 transitions. [2020-12-01 17:55:19,558 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 331 transitions. [2020-12-01 17:55:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:55:19,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:55:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 68 states and 100 transitions. [2020-12-01 17:55:19,636 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-12-01 17:55:19,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:55:19,637 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-12-01 17:55:19,649 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:55:20,056 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:55:20,070 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,070 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,071 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,071 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:55:20,074 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,074 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,074 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,075 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,075 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,075 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 17:55:20,079 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,080 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:55:20,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:55:20 ImpRootNode [2020-12-01 17:55:20,081 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:55:20,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:55:20,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:55:20,082 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:55:20,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:55:02" (3/4) ... [2020-12-01 17:55:20,098 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:55:20,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:55:20,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:55:20,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:55:20,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:55:20,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:55:20,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:55:20,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 17:55:20,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 17:55:20,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:55:20,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:55:20,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:55:20,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:55:20,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:55:20,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) [2020-12-01 17:55:20,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2020-12-01 17:55:20,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63b63ae2-8ebe-45c0-b7d4-04714671b0f7/bin/ukojak/witness.graphml [2020-12-01 17:55:20,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:55:20,227 INFO L168 Benchmark]: Toolchain (without parser) took 20949.64 ms. Allocated memory was 77.6 MB in the beginning and 318.8 MB in the end (delta: 241.2 MB). Free memory was 45.9 MB in the beginning and 277.7 MB in the end (delta: -231.7 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:20,229 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 77.6 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:55:20,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.32 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 45.7 MB in the beginning and 71.7 MB in the end (delta: -26.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:20,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.58 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 69.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:20,231 INFO L168 Benchmark]: Boogie Preprocessor took 49.33 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 67.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:20,232 INFO L168 Benchmark]: RCFGBuilder took 1858.92 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 59.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:20,232 INFO L168 Benchmark]: CodeCheck took 17915.90 ms. Allocated memory was 104.9 MB in the beginning and 318.8 MB in the end (delta: 213.9 MB). Free memory was 59.5 MB in the beginning and 282.9 MB in the end (delta: -223.4 MB). Peak memory consumption was 136.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:20,233 INFO L168 Benchmark]: Witness Printer took 143.86 ms. Allocated memory is still 318.8 MB. Free memory was 282.9 MB in the beginning and 277.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:20,236 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 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.4s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1113689492 SDtfs, 793429884 SDslu, 1936805516 SDs, 0 SdLazy, 1424892044 SolverSat, 141866908 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12582 GetRequests, 12346 SyntacticMatches, 20 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20312 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1205 NumberOfCodeBlocks, 1205 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1169 ConstructedInterpolants, 0 QuantifiedInterpolants, 91022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 29 PerfectInterpolantSequences, 398/425 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: 532]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 77.6 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 861.32 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 45.7 MB in the beginning and 71.7 MB in the end (delta: -26.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.58 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 69.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.33 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 67.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1858.92 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 59.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * CodeCheck took 17915.90 ms. Allocated memory was 104.9 MB in the beginning and 318.8 MB in the end (delta: 213.9 MB). Free memory was 59.5 MB in the beginning and 282.9 MB in the end (delta: -223.4 MB). Peak memory consumption was 136.1 MB. Max. memory is 16.1 GB. * Witness Printer took 143.86 ms. Allocated memory is still 318.8 MB. Free memory was 282.9 MB in the beginning and 277.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...