./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/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 c300c29b8d9fc061a97d8a30a731a0ec640f0644 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-f470102 [2019-12-01 07:43:36,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 07:43:36,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 07:43:36,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 07:43:36,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 07:43:36,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 07:43:36,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 07:43:36,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 07:43:36,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 07:43:36,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 07:43:36,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 07:43:36,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 07:43:36,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 07:43:36,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 07:43:36,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 07:43:36,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 07:43:36,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 07:43:36,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 07:43:36,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 07:43:36,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 07:43:36,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 07:43:36,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 07:43:36,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 07:43:36,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 07:43:36,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 07:43:36,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 07:43:36,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 07:43:36,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 07:43:36,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 07:43:36,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 07:43:36,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 07:43:36,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 07:43:36,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 07:43:36,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 07:43:36,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 07:43:36,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 07:43:36,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 07:43:36,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 07:43:36,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 07:43:36,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 07:43:36,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 07:43:36,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 07:43:36,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 07:43:36,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 07:43:36,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 07:43:36,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 07:43:36,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 07:43:36,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 07:43:36,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 07:43:36,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 07:43:36,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 07:43:36,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 07:43:36,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 07:43:36,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 07:43:36,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 07:43:36,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 07:43:36,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 07:43:36,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 07:43:36,783 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 07:43:36,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 07:43:36,783 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 07:43:36,783 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 07:43:36,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 07:43:36,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 07:43:36,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 07:43:36,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 07:43:36,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 07:43:36,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 07:43:36,784 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 07:43:36,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 07:43:36,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 07:43:36,784 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_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/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 -> c300c29b8d9fc061a97d8a30a731a0ec640f0644 [2019-12-01 07:43:36,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 07:43:36,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 07:43:36,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 07:43:36,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 07:43:36,906 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 07:43:36,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-12-01 07:43:36,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/data/ad6945419/c522b51bce7a463095667bbcbf8b084d/FLAG92b1b437d [2019-12-01 07:43:37,313 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 07:43:37,313 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-12-01 07:43:37,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/data/ad6945419/c522b51bce7a463095667bbcbf8b084d/FLAG92b1b437d [2019-12-01 07:43:37,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/data/ad6945419/c522b51bce7a463095667bbcbf8b084d [2019-12-01 07:43:37,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 07:43:37,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 07:43:37,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 07:43:37,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 07:43:37,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 07:43:37,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:43:37" (1/1) ... [2019-12-01 07:43:37,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a523291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:37, skipping insertion in model container [2019-12-01 07:43:37,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:43:37" (1/1) ... [2019-12-01 07:43:37,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 07:43:37,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 07:43:37,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 07:43:37,969 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 07:43:38,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 07:43:38,033 INFO L208 MainTranslator]: Completed translation [2019-12-01 07:43:38,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38 WrapperNode [2019-12-01 07:43:38,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 07:43:38,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 07:43:38,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 07:43:38,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 07:43:38,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 07:43:38,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 07:43:38,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 07:43:38,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 07:43:38,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 07:43:38,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 07:43:38,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 07:43:38,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 07:43:38,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:43:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 07:43:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 07:43:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 07:43:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 07:43:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 07:43:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 07:43:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 07:43:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 07:43:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 07:43:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 07:43:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 07:43:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 07:43:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 07:43:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 07:43:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 07:43:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 07:43:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 07:43:38,670 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 07:43:38,670 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-01 07:43:38,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:43:38 BoogieIcfgContainer [2019-12-01 07:43:38,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 07:43:38,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 07:43:38,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 07:43:38,681 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 07:43:38,681 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:43:38" (1/1) ... [2019-12-01 07:43:38,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 07:43:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-12-01 07:43:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-12-01 07:43:38,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 07:43:38,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-12-01 07:43:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-12-01 07:43:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 07:43:38,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-12-01 07:43:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-12-01 07:43:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 07:43:38,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-12-01 07:43:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-12-01 07:43:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 07:43:39,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-12-01 07:43:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-12-01 07:43:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 07:43:39,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2019-12-01 07:43:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2019-12-01 07:43:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 07:43:39,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:39,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2019-12-01 07:43:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2019-12-01 07:43:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 07:43:39,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 160 transitions. [2019-12-01 07:43:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2019-12-01 07:43:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 07:43:41,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 179 transitions. [2019-12-01 07:43:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-12-01 07:43:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 07:43:41,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 108 states and 188 transitions. [2019-12-01 07:43:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 188 transitions. [2019-12-01 07:43:41,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 07:43:41,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 109 states and 189 transitions. [2019-12-01 07:43:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2019-12-01 07:43:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 07:43:41,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 192 transitions. [2019-12-01 07:43:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2019-12-01 07:43:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 07:43:41,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 195 transitions. [2019-12-01 07:43:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 195 transitions. [2019-12-01 07:43:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 07:43:42,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 117 states and 204 transitions. [2019-12-01 07:43:42,222 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 204 transitions. [2019-12-01 07:43:42,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 07:43:42,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:43:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 118 states and 207 transitions. [2019-12-01 07:43:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2019-12-01 07:43:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 07:43:42,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 228 transitions. [2019-12-01 07:43:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 228 transitions. [2019-12-01 07:43:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 07:43:42,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 227 transitions. [2019-12-01 07:43:42,921 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 227 transitions. [2019-12-01 07:43:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 07:43:42,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 07:43:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 228 transitions. [2019-12-01 07:43:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 228 transitions. [2019-12-01 07:43:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 07:43:43,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 07:43:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 129 states and 235 transitions. [2019-12-01 07:43:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 235 transitions. [2019-12-01 07:43:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 07:43:44,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 132 states and 242 transitions. [2019-12-01 07:43:44,479 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 242 transitions. [2019-12-01 07:43:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 07:43:44,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 136 states and 250 transitions. [2019-12-01 07:43:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2019-12-01 07:43:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 07:43:44,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 138 states and 251 transitions. [2019-12-01 07:43:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 251 transitions. [2019-12-01 07:43:44,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 07:43:44,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 145 states and 270 transitions. [2019-12-01 07:43:44,977 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 270 transitions. [2019-12-01 07:43:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 07:43:44,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 147 states and 271 transitions. [2019-12-01 07:43:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 271 transitions. [2019-12-01 07:43:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 07:43:45,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 148 states and 272 transitions. [2019-12-01 07:43:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 272 transitions. [2019-12-01 07:43:45,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 07:43:45,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 161 states and 306 transitions. [2019-12-01 07:43:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 306 transitions. [2019-12-01 07:43:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 07:43:47,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 07:43:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 162 states and 307 transitions. [2019-12-01 07:43:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 307 transitions. [2019-12-01 07:43:47,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 07:43:47,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 163 states and 308 transitions. [2019-12-01 07:43:47,622 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 308 transitions. [2019-12-01 07:43:47,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 07:43:47,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 177 states and 345 transitions. [2019-12-01 07:43:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 345 transitions. [2019-12-01 07:43:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 07:43:51,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 180 states and 353 transitions. [2019-12-01 07:43:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 353 transitions. [2019-12-01 07:43:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 07:43:52,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 185 states and 366 transitions. [2019-12-01 07:43:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 366 transitions. [2019-12-01 07:43:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 07:43:52,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 187 states and 368 transitions. [2019-12-01 07:43:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 368 transitions. [2019-12-01 07:43:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 07:43:52,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 188 states and 369 transitions. [2019-12-01 07:43:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 369 transitions. [2019-12-01 07:43:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 07:43:53,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 189 states and 372 transitions. [2019-12-01 07:43:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 372 transitions. [2019-12-01 07:43:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 07:43:53,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 189 states and 372 transitions. [2019-12-01 07:43:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 372 transitions. [2019-12-01 07:43:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 07:43:53,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 189 states and 372 transitions. [2019-12-01 07:43:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 372 transitions. [2019-12-01 07:43:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 07:43:53,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:43:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 07:43:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:43:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 205 states and 419 transitions. [2019-12-01 07:43:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 419 transitions. [2019-12-01 07:43:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 07:43:58,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:43:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 07:43:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 07:43:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 07:43:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 07:43:58,880 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 37 iterations. [2019-12-01 07:43:59,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:43:59 ImpRootNode [2019-12-01 07:43:59,007 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 07:43:59,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 07:43:59,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 07:43:59,008 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 07:43:59,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:43:38" (3/4) ... [2019-12-01 07:43:59,010 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 07:43:59,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9bdadbe2-17f9-46be-8dc9-fd1bc217a94b/bin/ukojak/witness.graphml [2019-12-01 07:43:59,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 07:43:59,086 INFO L168 Benchmark]: Toolchain (without parser) took 21362.16 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 396.9 MB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -65.6 MB). Peak memory consumption was 331.2 MB. Max. memory is 11.5 GB. [2019-12-01 07:43:59,086 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 07:43:59,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-01 07:43:59,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 07:43:59,087 INFO L168 Benchmark]: Boogie Preprocessor took 21.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 07:43:59,087 INFO L168 Benchmark]: RCFGBuilder took 579.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2019-12-01 07:43:59,087 INFO L168 Benchmark]: CodeCheck took 20335.39 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 291.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -30.8 MB). Peak memory consumption was 260.2 MB. Max. memory is 11.5 GB. [2019-12-01 07:43:59,088 INFO L168 Benchmark]: Witness Printer took 77.11 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-01 07:43:59,089 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: 20.1s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -32586676 SDtfs, 1811735372 SDslu, -93815320 SDs, 0 SdLazy, -1226103446 SolverSat, 560421790 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13950 GetRequests, 13518 SyntacticMatches, 73 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65087 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1332 NumberOfCodeBlocks, 1332 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1245 ConstructedInterpolants, 0 QuantifiedInterpolants, 117377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 29 PerfectInterpolantSequences, 305/348 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: 736]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L815] int retValue_acc ; [L816] int tmp ; [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L660] methAndRunningLastTime = 0 [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L597] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L609] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] COND TRUE waterLevel < 2 [L858] waterLevel = waterLevel + 1 [L609] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L619] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] COND FALSE !(\read(methaneLevelCritical)) [L872] methaneLevelCritical = 1 [L619] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp___2)) [L631] tmp___1 = __VERIFIER_nondet_int() [L633] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L642] 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] [L424] 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] [L431] COND TRUE \read(systemActive) [L453] 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] [L456] COND TRUE ! pumpRunning [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L919] int retValue_acc ; [L922] COND FALSE !(waterLevel < 2) [L926] retValue_acc = 0 [L927] return (retValue_acc); [L556] tmp = isHighWaterSensorDry() [L558] COND FALSE !(\read(tmp)) [L561] tmp___0 = 1 [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); [L458] tmp = isHighWaterLevel() [L460] COND TRUE \read(tmp) [L481] 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] [L665] int tmp ; [L666] 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] [L670] 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] [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] 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] [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] tmp___0 = isPumpRunning() [L676] 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] [L677] COND FALSE !(\read(methAndRunningLastTime)) [L682] 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] [L642] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L597] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L642] 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] [L424] COND TRUE \read(pumpRunning) [L845] COND TRUE waterLevel > 0 [L846] 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] [L431] COND TRUE \read(systemActive) [L453] 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] [L456] 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] [L471] 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] [L665] int tmp ; [L666] 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] [L670] 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] [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] 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] [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); [L674] tmp___0 = isPumpRunning() [L676] 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] [L677] 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] [L736] __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 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 579.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * CodeCheck took 20335.39 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 291.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -30.8 MB). Peak memory consumption was 260.2 MB. Max. memory is 11.5 GB. * Witness Printer took 77.11 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...