./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/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 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:54:52,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:54:52,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:54:52,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:54:52,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:54:52,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:54:52,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:54:52,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:54:52,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:54:52,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:54:52,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:54:52,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:54:52,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:54:52,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:54:52,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:54:52,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:54:52,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:54:52,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:54:52,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:54:52,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:54:52,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:54:52,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:54:52,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:54:52,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:54:52,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:54:52,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:54:52,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:54:52,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:54:52,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:54:52,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:54:52,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:54:52,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:54:52,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:54:52,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:54:52,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:54:52,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:54:52,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:54:52,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:54:52,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:54:52,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:54:52,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:54:52,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:54:52,764 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:54:52,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:54:52,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:54:52,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:54:52,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:54:52,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:54:52,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:54:52,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:54:52,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:54:52,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:54:52,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:54:52,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:54:52,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:54:52,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:54:52,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:54:52,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:54:52,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:54:52,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:54:52,769 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:54:52,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:54:52,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:54:52,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:54:52,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:54:52,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:54:52,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:54:52,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:54:52,771 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:54:52,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:54:52,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:54:52,771 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_9f027dac-5cd2-434e-a565-20f08e6b0362/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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 [2019-11-26 02:54:52,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:54:52,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:54:52,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:54:52,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:54:52,914 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:54:52,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c [2019-11-26 02:54:52,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/data/d95e93c22/b2604d2031cf4d6d9e7cc52276c814d7/FLAG4f580d3c4 [2019-11-26 02:54:53,411 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:54:53,411 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/sv-benchmarks/c/product-lines/minepump_spec2_product33.cil.c [2019-11-26 02:54:53,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/data/d95e93c22/b2604d2031cf4d6d9e7cc52276c814d7/FLAG4f580d3c4 [2019-11-26 02:54:53,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/data/d95e93c22/b2604d2031cf4d6d9e7cc52276c814d7 [2019-11-26 02:54:53,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:54:53,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:54:53,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:54:53,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:54:53,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:54:53,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:53,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43664afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53, skipping insertion in model container [2019-11-26 02:54:53,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:53,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:54:53,509 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:54:53,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:54:53,825 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:54:53,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:54:53,934 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:54:53,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53 WrapperNode [2019-11-26 02:54:53,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:54:53,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:54:53,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:54:53,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:54:53,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:53,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:53,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:54:53,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:54:53,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:54:53,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:54:54,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:54,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:54,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:54,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:54,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:54,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:54,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... [2019-11-26 02:54:54,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:54:54,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:54:54,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:54:54,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:54:54,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:54:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/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 [2019-11-26 02:54:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:54:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:54:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:54:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:54:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:54:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:54:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:54:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:54:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:54:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:54:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:54:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:54:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:54:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:54:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:54:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:54:55,293 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:54:55,294 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 02:54:55,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:54:55 BoogieIcfgContainer [2019-11-26 02:54:55,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:54:55,296 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:54:55,296 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:54:55,308 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:54:55,308 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:54:55" (1/1) ... [2019-11-26 02:54:55,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-26 02:54:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-26 02:54:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:54:55,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-26 02:54:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-26 02:54:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:54:55,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-26 02:54:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-26 02:54:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:54:55,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:56,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-11-26 02:54:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-11-26 02:54:56,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:54:56,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2019-11-26 02:54:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-11-26 02:54:56,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:54:56,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2019-11-26 02:54:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2019-11-26 02:54:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:54:56,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:57,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 75 states and 113 transitions. [2019-11-26 02:54:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2019-11-26 02:54:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:54:57,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 86 states and 137 transitions. [2019-11-26 02:54:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2019-11-26 02:54:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:54:58,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2019-11-26 02:54:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2019-11-26 02:54:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:54:58,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 94 states and 152 transitions. [2019-11-26 02:54:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2019-11-26 02:54:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:54:58,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 153 transitions. [2019-11-26 02:54:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2019-11-26 02:54:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:54:58,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 96 states and 154 transitions. [2019-11-26 02:54:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2019-11-26 02:54:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:54:58,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:59,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 114 states and 192 transitions. [2019-11-26 02:54:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2019-11-26 02:54:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:54:59,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:54:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2019-11-26 02:54:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2019-11-26 02:54:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:54:59,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:54:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 121 states and 204 transitions. [2019-11-26 02:55:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2019-11-26 02:55:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:55:00,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 220 transitions. [2019-11-26 02:55:01,315 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2019-11-26 02:55:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:55:01,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 125 states and 216 transitions. [2019-11-26 02:55:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 216 transitions. [2019-11-26 02:55:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:55:01,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:55:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 132 states and 244 transitions. [2019-11-26 02:55:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 244 transitions. [2019-11-26 02:55:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:55:03,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 143 states and 272 transitions. [2019-11-26 02:55:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 272 transitions. [2019-11-26 02:55:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:55:04,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 152 states and 318 transitions. [2019-11-26 02:55:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 318 transitions. [2019-11-26 02:55:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:55:05,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 157 states and 327 transitions. [2019-11-26 02:55:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 327 transitions. [2019-11-26 02:55:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:55:07,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:55:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 160 states and 332 transitions. [2019-11-26 02:55:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 332 transitions. [2019-11-26 02:55:07,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:55:07,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 162 states and 336 transitions. [2019-11-26 02:55:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 336 transitions. [2019-11-26 02:55:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:55:08,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:55:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 164 states and 339 transitions. [2019-11-26 02:55:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 339 transitions. [2019-11-26 02:55:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:55:08,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 171 states and 366 transitions. [2019-11-26 02:55:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 366 transitions. [2019-11-26 02:55:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:55:08,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:55:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 178 states and 383 transitions. [2019-11-26 02:55:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 383 transitions. [2019-11-26 02:55:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:55:09,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 179 states and 386 transitions. [2019-11-26 02:55:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 386 transitions. [2019-11-26 02:55:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:55:09,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:55:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 186 states and 403 transitions. [2019-11-26 02:55:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 403 transitions. [2019-11-26 02:55:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:55:10,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 187 states and 404 transitions. [2019-11-26 02:55:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 404 transitions. [2019-11-26 02:55:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:55:10,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 188 states and 405 transitions. [2019-11-26 02:55:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 405 transitions. [2019-11-26 02:55:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:55:10,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 189 states and 405 transitions. [2019-11-26 02:55:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 405 transitions. [2019-11-26 02:55:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:55:10,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:55:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 190 states and 406 transitions. [2019-11-26 02:55:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 406 transitions. [2019-11-26 02:55:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:55:10,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 204 states and 467 transitions. [2019-11-26 02:55:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 467 transitions. [2019-11-26 02:55:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:55:12,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:55:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 214 states and 510 transitions. [2019-11-26 02:55:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 510 transitions. [2019-11-26 02:55:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:55:15,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 215 states and 511 transitions. [2019-11-26 02:55:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 511 transitions. [2019-11-26 02:55:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:55:15,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 217 states and 526 transitions. [2019-11-26 02:55:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 526 transitions. [2019-11-26 02:55:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:55:15,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 218 states and 527 transitions. [2019-11-26 02:55:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 527 transitions. [2019-11-26 02:55:16,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:55:16,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:55:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 219 states and 528 transitions. [2019-11-26 02:55:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 528 transitions. [2019-11-26 02:55:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:55:16,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 237 states and 595 transitions. [2019-11-26 02:55:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 595 transitions. [2019-11-26 02:55:23,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:55:23,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 246 states and 633 transitions. [2019-11-26 02:55:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 633 transitions. [2019-11-26 02:55:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:55:24,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 255 states and 676 transitions. [2019-11-26 02:55:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 676 transitions. [2019-11-26 02:55:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-26 02:55:27,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:55:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:55:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:55:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:55:28,260 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 41 iterations. [2019-11-26 02:55:28,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:55:28 ImpRootNode [2019-11-26 02:55:28,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:55:28,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:55:28,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:55:28,491 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:55:28,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:54:55" (3/4) ... [2019-11-26 02:55:28,494 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:55:28,645 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9f027dac-5cd2-434e-a565-20f08e6b0362/bin/ukojak/witness.graphml [2019-11-26 02:55:28,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:55:28,647 INFO L168 Benchmark]: Toolchain (without parser) took 35207.86 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 655.9 MB). Free memory was 950.0 MB in the beginning and 1.4 GB in the end (delta: -452.0 MB). Peak memory consumption was 203.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:28,648 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:55:28,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:28,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:28,649 INFO L168 Benchmark]: Boogie Preprocessor took 30.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:55:28,649 INFO L168 Benchmark]: RCFGBuilder took 1268.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:28,649 INFO L168 Benchmark]: CodeCheck took 33194.79 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 497.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -367.0 MB). Peak memory consumption was 130.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:28,650 INFO L168 Benchmark]: Witness Printer took 154.98 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:55:28,651 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 7 procedures, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 32.9s, OverallIterations: 41, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -639533460 SDtfs, 1506745674 SDslu, -769539024 SDs, 0 SdLazy, -758630688 SolverSat, 355603462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17497 GetRequests, 17059 SyntacticMatches, 40 SemanticMatches, 398 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72284 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1523 NumberOfCodeBlocks, 1523 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1432 ConstructedInterpolants, 0 QuantifiedInterpolants, 132355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 33 PerfectInterpolantSequences, 357/401 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 - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L876] int methAndRunningLastTime ; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L257] int retValue_acc ; [L258] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) [L881] methAndRunningLastTime = 0 [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 [L463] tmp = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 [L467] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) [L118] methaneLevelCritical = 1 [L477] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND FALSE !(\read(tmp___2)) [L489] tmp___1 = __VERIFIER_nondet_int() [L491] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; [L165] int retValue_acc ; [L168] COND FALSE !(waterLevel < 2) [L172] retValue_acc = 0 [L173] return (retValue_acc); [L432] tmp = isHighWaterSensorDry() [L434] COND FALSE !(\read(tmp)) [L437] tmp___0 = 1 [L439] retValue_acc = tmp___0 [L440] return (retValue_acc); [L334] tmp = isHighWaterLevel() [L336] COND TRUE \read(tmp) [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L455] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND FALSE !(\read(tmp___2)) [L489] tmp___1 = __VERIFIER_nondet_int() [L491] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) [L91] COND TRUE waterLevel > 0 [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 494.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1268.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. * CodeCheck took 33194.79 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 497.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -367.0 MB). Peak memory consumption was 130.0 MB. Max. memory is 11.5 GB. * Witness Printer took 154.98 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...