./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.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_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/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 1e304dec1a19556a559249c7b1ef76290bc8b678 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:37:26,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 17:37:26,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 17:37:26,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 17:37:26,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 17:37:26,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 17:37:26,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 17:37:26,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 17:37:26,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 17:37:26,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 17:37:26,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 17:37:26,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 17:37:26,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 17:37:26,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 17:37:26,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 17:37:26,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 17:37:26,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 17:37:26,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 17:37:26,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 17:37:26,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 17:37:26,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 17:37:26,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 17:37:26,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 17:37:26,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 17:37:26,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 17:37:26,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 17:37:26,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 17:37:26,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 17:37:26,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 17:37:26,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 17:37:26,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 17:37:26,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 17:37:26,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 17:37:26,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 17:37:26,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 17:37:26,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 17:37:26,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 17:37:26,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 17:37:26,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 17:37:26,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 17:37:26,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 17:37:26,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 17:37:26,739 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 17:37:26,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 17:37:26,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 17:37:26,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 17:37:26,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 17:37:26,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 17:37:26,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 17:37:26,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 17:37:26,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 17:37:26,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 17:37:26,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 17:37:26,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 17:37:26,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 17:37:26,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 17:37:26,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 17:37:26,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 17:37:26,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 17:37:26,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 17:37:26,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 17:37:26,742 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 17:37:26,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 17:37:26,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 17:37:26,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 17:37:26,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 17:37:26,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 17:37:26,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 17:37:26,743 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 17:37:26,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 17:37:26,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 17:37:26,743 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_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/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 -> 1e304dec1a19556a559249c7b1ef76290bc8b678 [2019-12-01 17:37:26,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 17:37:26,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 17:37:26,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 17:37:26,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 17:37:26,853 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 17:37:26,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2019-12-01 17:37:26,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/data/2e5a4636a/baf39eec1e2c4864b5462042fba52fa2/FLAG0dc5565d6 [2019-12-01 17:37:27,254 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 17:37:27,255 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2019-12-01 17:37:27,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/data/2e5a4636a/baf39eec1e2c4864b5462042fba52fa2/FLAG0dc5565d6 [2019-12-01 17:37:27,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/data/2e5a4636a/baf39eec1e2c4864b5462042fba52fa2 [2019-12-01 17:37:27,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 17:37:27,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 17:37:27,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 17:37:27,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 17:37:27,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 17:37:27,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27, skipping insertion in model container [2019-12-01 17:37:27,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 17:37:27,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 17:37:27,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 17:37:27,539 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 17:37:27,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 17:37:27,609 INFO L208 MainTranslator]: Completed translation [2019-12-01 17:37:27,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27 WrapperNode [2019-12-01 17:37:27,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 17:37:27,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 17:37:27,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 17:37:27,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 17:37:27,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 17:37:27,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 17:37:27,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 17:37:27,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 17:37:27,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... [2019-12-01 17:37:27,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 17:37:27,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 17:37:27,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 17:37:27,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 17:37:27,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:37:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/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 17:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 17:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 17:37:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 17:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 17:37:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 17:37:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 17:37:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 17:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 17:37:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 17:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 17:37:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 17:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 17:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 17:37:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 17:37:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 17:37:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 17:37:28,263 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 17:37:28,263 INFO L287 CfgBuilder]: Removed 46 assume(true) statements. [2019-12-01 17:37:28,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:37:28 BoogieIcfgContainer [2019-12-01 17:37:28,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 17:37:28,265 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 17:37:28,265 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 17:37:28,271 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 17:37:28,271 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:37:28" (1/1) ... [2019-12-01 17:37:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 17:37:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2019-12-01 17:37:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2019-12-01 17:37:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 17:37:28,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:28,468 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 17:37:28,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-12-01 17:37:28,477 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-12-01 17:37:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 17:37:28,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:28,533 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 17:37:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2019-12-01 17:37:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2019-12-01 17:37:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 17:37:28,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:28,617 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 17:37:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-12-01 17:37:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-12-01 17:37:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 17:37:28,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:28,813 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 17:37:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2019-12-01 17:37:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2019-12-01 17:37:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 17:37:29,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:29,145 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 17:37:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2019-12-01 17:37:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2019-12-01 17:37:29,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 17:37:29,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:29,220 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 17:37:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2019-12-01 17:37:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2019-12-01 17:37:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 17:37:29,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:29,673 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 17:37:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 94 states and 159 transitions. [2019-12-01 17:37:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 159 transitions. [2019-12-01 17:37:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 17:37:29,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:29,891 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 17:37:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 167 transitions. [2019-12-01 17:37:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 167 transitions. [2019-12-01 17:37:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 17:37:30,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:30,362 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 17:37:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 104 states and 179 transitions. [2019-12-01 17:37:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-12-01 17:37:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 17:37:30,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:30,663 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 17:37:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 180 transitions. [2019-12-01 17:37:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2019-12-01 17:37:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 17:37:30,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 17:37:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 185 transitions. [2019-12-01 17:37:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2019-12-01 17:37:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 17:37:30,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 17:37:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 118 states and 208 transitions. [2019-12-01 17:37:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 208 transitions. [2019-12-01 17:37:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 17:37:31,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:31,899 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 17:37:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 124 states and 225 transitions. [2019-12-01 17:37:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2019-12-01 17:37:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 17:37:32,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:32,394 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 17:37:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 122 states and 221 transitions. [2019-12-01 17:37:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2019-12-01 17:37:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 17:37:32,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:32,429 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 17:37:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 124 states and 222 transitions. [2019-12-01 17:37:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2019-12-01 17:37:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 17:37:32,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:32,610 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 17:37:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:32,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 126 states and 227 transitions. [2019-12-01 17:37:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 227 transitions. [2019-12-01 17:37:32,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 17:37:32,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:32,916 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 17:37:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 128 states and 248 transitions. [2019-12-01 17:37:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 248 transitions. [2019-12-01 17:37:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 17:37:32,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:32,985 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 17:37:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 131 states and 251 transitions. [2019-12-01 17:37:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 251 transitions. [2019-12-01 17:37:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 17:37:33,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:33,152 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 17:37:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:33,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 133 states and 249 transitions. [2019-12-01 17:37:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 249 transitions. [2019-12-01 17:37:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 17:37:33,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:33,250 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 17:37:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:33,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 250 transitions. [2019-12-01 17:37:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 250 transitions. [2019-12-01 17:37:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 17:37:33,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:33,403 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 17:37:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 140 states and 257 transitions. [2019-12-01 17:37:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 257 transitions. [2019-12-01 17:37:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 17:37:33,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:33,577 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 17:37:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 142 states and 258 transitions. [2019-12-01 17:37:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 258 transitions. [2019-12-01 17:37:33,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 17:37:33,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 17:37:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 308 transitions. [2019-12-01 17:37:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 308 transitions. [2019-12-01 17:37:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 17:37:37,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:37,124 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 17:37:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 160 states and 309 transitions. [2019-12-01 17:37:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 309 transitions. [2019-12-01 17:37:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 17:37:37,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:37,235 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 17:37:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 152 states and 291 transitions. [2019-12-01 17:37:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2019-12-01 17:37:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 17:37:38,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:38,386 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 17:37:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 154 states and 293 transitions. [2019-12-01 17:37:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 293 transitions. [2019-12-01 17:37:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 17:37:38,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 17:37:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 158 states and 295 transitions. [2019-12-01 17:37:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 295 transitions. [2019-12-01 17:37:38,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 17:37:38,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 17:37:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 161 states and 302 transitions. [2019-12-01 17:37:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 302 transitions. [2019-12-01 17:37:39,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 17:37:39,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 17:37:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 159 states and 298 transitions. [2019-12-01 17:37:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 298 transitions. [2019-12-01 17:37:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 17:37:39,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 17:37:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 160 states and 301 transitions. [2019-12-01 17:37:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 301 transitions. [2019-12-01 17:37:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 17:37:39,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 17:37:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 161 states and 304 transitions. [2019-12-01 17:37:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 304 transitions. [2019-12-01 17:37:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 17:37:39,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 17:37:40,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 162 states and 306 transitions. [2019-12-01 17:37:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 306 transitions. [2019-12-01 17:37:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 17:37:40,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 17:37:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 163 states and 307 transitions. [2019-12-01 17:37:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 307 transitions. [2019-12-01 17:37:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 17:37:40,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 17:37:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 165 states and 311 transitions. [2019-12-01 17:37:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 311 transitions. [2019-12-01 17:37:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 17:37:40,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 17:37:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 166 states and 312 transitions. [2019-12-01 17:37:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 312 transitions. [2019-12-01 17:37:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 17:37:40,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 17:37:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 167 states and 313 transitions. [2019-12-01 17:37:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 313 transitions. [2019-12-01 17:37:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 17:37:41,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 17:37:41,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 158 states and 287 transitions. [2019-12-01 17:37:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 287 transitions. [2019-12-01 17:37:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 17:37:41,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 17:37:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 159 states and 287 transitions. [2019-12-01 17:37:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 287 transitions. [2019-12-01 17:37:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 17:37:41,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 17:37:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 167 states and 325 transitions. [2019-12-01 17:37:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 325 transitions. [2019-12-01 17:37:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 17:37:44,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 17:37:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 169 states and 329 transitions. [2019-12-01 17:37:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 329 transitions. [2019-12-01 17:37:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 17:37:45,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 17:37:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 176 states and 353 transitions. [2019-12-01 17:37:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 353 transitions. [2019-12-01 17:37:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 17:37:47,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 17:37:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 180 states and 361 transitions. [2019-12-01 17:37:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 361 transitions. [2019-12-01 17:37:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 17:37:47,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 17:37:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 182 states and 365 transitions. [2019-12-01 17:37:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 365 transitions. [2019-12-01 17:37:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 17:37:48,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 17:37:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 182 states and 359 transitions. [2019-12-01 17:37:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 359 transitions. [2019-12-01 17:37:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 17:37:48,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 17:37:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 194 states and 377 transitions. [2019-12-01 17:37:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2019-12-01 17:37:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 17:37:54,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 17:37:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 195 states and 378 transitions. [2019-12-01 17:37:54,673 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 378 transitions. [2019-12-01 17:37:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 17:37:54,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 17:37:57,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:37:57,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 201 states and 395 transitions. [2019-12-01 17:37:57,308 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 395 transitions. [2019-12-01 17:37:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 17:37:57,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:37:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:37:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 17:38:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 207 states and 408 transitions. [2019-12-01 17:38:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 408 transitions. [2019-12-01 17:38:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 17:38:00,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 17:38:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 207 states and 404 transitions. [2019-12-01 17:38:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 404 transitions. [2019-12-01 17:38:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 17:38:01,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 17:38:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 220 states and 426 transitions. [2019-12-01 17:38:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 426 transitions. [2019-12-01 17:38:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 17:38:08,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 17:38:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 222 states and 427 transitions. [2019-12-01 17:38:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 427 transitions. [2019-12-01 17:38:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 17:38:09,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 17:38:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 229 states and 439 transitions. [2019-12-01 17:38:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 439 transitions. [2019-12-01 17:38:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 17:38:13,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 37 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 17:38:19,351 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-12-01 17:38:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 226 states and 436 transitions. [2019-12-01 17:38:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 436 transitions. [2019-12-01 17:38:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 17:38:22,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 17:38:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 227 states and 437 transitions. [2019-12-01 17:38:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 437 transitions. [2019-12-01 17:38:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 17:38:22,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 17:38:23,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 227 states and 436 transitions. [2019-12-01 17:38:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 436 transitions. [2019-12-01 17:38:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 17:38:23,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 17:38:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 237 states and 449 transitions. [2019-12-01 17:38:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 449 transitions. [2019-12-01 17:38:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 17:38:32,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 17:38:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 239 states and 450 transitions. [2019-12-01 17:38:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 450 transitions. [2019-12-01 17:38:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 17:38:33,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 17:38:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 17:38:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 17:38:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 252 states and 486 transitions. [2019-12-01 17:38:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 486 transitions. [2019-12-01 17:38:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 17:38:44,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 17:38:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:38:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:38:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:38:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 17:38:44,654 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 59 iterations. [2019-12-01 17:38:44,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:38:44 ImpRootNode [2019-12-01 17:38:44,794 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 17:38:44,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 17:38:44,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 17:38:44,794 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 17:38:44,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:37:28" (3/4) ... [2019-12-01 17:38:44,796 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 17:38:44,886 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2f44f6bc-4bb6-4628-aa38-b37de251b2fb/bin/ukojak/witness.graphml [2019-12-01 17:38:44,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 17:38:44,887 INFO L168 Benchmark]: Toolchain (without parser) took 77612.59 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 489.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -294.4 MB). Peak memory consumption was 194.8 MB. Max. memory is 11.5 GB. [2019-12-01 17:38:44,887 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 17:38:44,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-01 17:38:44,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.06 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 17:38:44,888 INFO L168 Benchmark]: Boogie Preprocessor took 23.39 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. [2019-12-01 17:38:44,888 INFO L168 Benchmark]: RCFGBuilder took 591.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2019-12-01 17:38:44,889 INFO L168 Benchmark]: CodeCheck took 76529.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 353.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -244.2 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2019-12-01 17:38:44,889 INFO L168 Benchmark]: Witness Printer took 92.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2019-12-01 17:38:44,890 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, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 76.3s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -2126559628 SDtfs, -548929950 SDslu, 1327167608 SDs, 0 SdLazy, 1035153008 SolverSat, 21119530 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33954 GetRequests, 32849 SyntacticMatches, 365 SemanticMatches, 740 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293726 ImplicationChecksByTransitivity, 71.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2898 NumberOfCodeBlocks, 2898 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 2764 ConstructedInterpolants, 0 QuantifiedInterpolants, 407062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 38 PerfectInterpolantSequences, 1462/1679 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: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L364] int cleanupTimeShifts = 4; [L462] int methAndRunningLastTime ; [L502] int waterLevel = 1; [L503] int methaneLevelCritical = 0; [L765] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L439] int retValue_acc ; [L440] int tmp ; [L355] int retValue_acc ; [L358] retValue_acc = 1 [L359] return (retValue_acc); [L446] tmp = valid_product() [L448] COND TRUE \read(tmp) [L467] methAndRunningLastTime = 0 [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE waterLevel < 2 [L521] waterLevel = waterLevel + 1 [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L321] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] COND TRUE \read(systemActive) [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE ! pumpRunning [L284] int retValue_acc ; [L285] int tmp ; [L286] int tmp___0 ; [L582] int retValue_acc ; [L585] COND FALSE !(waterLevel < 2) [L589] retValue_acc = 0 [L590] return (retValue_acc); [L290] tmp = isHighWaterSensorDry() [L292] COND FALSE !(\read(tmp)) [L295] tmp___0 = 1 [L297] retValue_acc = tmp___0 [L298] return (retValue_acc); [L174] tmp = isHighWaterLevel() [L176] COND TRUE \read(tmp) [L203] int tmp ; [L228] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); [L232] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] retValue_acc = isMethaneLevelCritical() [L234] return (retValue_acc); [L207] tmp = isMethaneAlarm() [L209] COND FALSE !(\read(tmp)) [L197] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L477] tmp = isMethaneLevelCritical() [L479] COND FALSE !(\read(tmp)) [L495] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L112] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L87] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L532] COND FALSE !(\read(methaneLevelCritical)) [L535] methaneLevelCritical = 1 [L87] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L321] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L140] COND TRUE \read(pumpRunning) [L508] COND TRUE waterLevel > 0 [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L147] COND TRUE \read(systemActive) [L169] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L477] tmp = isMethaneLevelCritical() [L479] COND TRUE \read(tmp) [L239] int retValue_acc ; [L242] retValue_acc = pumpRunning [L243] return (retValue_acc); [L481] tmp___0 = isPumpRunning() [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L484] COND FALSE !(\read(methAndRunningLastTime)) [L489] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L112] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L112] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L140] COND TRUE \read(pumpRunning) [L508] COND TRUE waterLevel > 0 [L509] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L147] COND TRUE \read(systemActive) [L169] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L172] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L187] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L472] int tmp ; [L473] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L541] int retValue_acc ; [L544] retValue_acc = methaneLevelCritical [L545] return (retValue_acc); [L477] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L477] tmp = isMethaneLevelCritical() [L479] COND TRUE \read(tmp) [L239] int retValue_acc ; [L242] retValue_acc = pumpRunning [L243] return (retValue_acc); [L481] tmp___0 = isPumpRunning() [L483] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L484] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L44] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.06 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.39 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 591.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. * CodeCheck took 76529.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 353.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -244.2 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * Witness Printer took 92.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...