./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/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 0.1.23-635dfa2 [2018-12-08 16:06:26,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:06:26,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:06:26,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:06:26,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:06:26,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:06:26,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:06:26,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:06:26,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:06:26,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:06:26,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:06:26,669 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:06:26,670 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:06:26,670 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:06:26,671 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:06:26,671 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:06:26,672 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:06:26,673 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:06:26,674 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:06:26,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:06:26,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:06:26,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:06:26,677 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:06:26,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:06:26,678 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:06:26,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:06:26,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:06:26,679 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:06:26,679 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:06:26,680 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:06:26,680 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:06:26,680 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:06:26,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:06:26,681 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:06:26,681 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:06:26,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:06:26,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 16:06:26,691 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:06:26,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:06:26,692 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:06:26,693 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:06:26,693 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:06:26,693 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:06:26,693 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:06:26,694 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:06:26,694 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:06:26,694 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:06:26,694 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:06:26,694 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:06:26,694 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:06:26,694 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:06:26,695 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:06:26,695 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:06:26,695 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:06:26,695 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:06:26,695 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:06:26,695 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:06:26,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:06:26,696 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:06:26,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:06:26,696 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:06:26,696 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:06:26,696 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:06:26,697 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:06:26,697 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:06:26,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:06:26,697 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/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 [2018-12-08 16:06:26,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:06:26,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:06:26,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:06:26,730 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:06:26,730 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:06:26,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c [2018-12-08 16:06:26,766 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/data/172a1b6a9/aa9e23d6bc714427b3113ee727cac4e0/FLAGab3466874 [2018-12-08 16:06:27,266 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:06:27,267 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/sv-benchmarks/c/product-lines/minepump_spec2_product44_false-unreach-call_false-termination.cil.c [2018-12-08 16:06:27,274 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/data/172a1b6a9/aa9e23d6bc714427b3113ee727cac4e0/FLAGab3466874 [2018-12-08 16:06:27,282 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/data/172a1b6a9/aa9e23d6bc714427b3113ee727cac4e0 [2018-12-08 16:06:27,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:06:27,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:06:27,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:06:27,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:06:27,288 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:06:27,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27, skipping insertion in model container [2018-12-08 16:06:27,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:06:27,314 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:06:27,464 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:06:27,505 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:06:27,546 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:06:27,561 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:06:27,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27 WrapperNode [2018-12-08 16:06:27,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:06:27,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:06:27,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:06:27,562 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:06:27,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:06:27,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:06:27,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:06:27,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:06:27,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... [2018-12-08 16:06:27,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:06:27,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:06:27,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:06:27,611 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:06:27,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:06:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/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 [2018-12-08 16:06:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:06:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:06:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:06:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:06:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:06:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:06:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:06:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:06:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:06:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:06:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:06:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:06:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:06:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:06:27,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:06:27,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:06:28,104 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:06:28,105 INFO L280 CfgBuilder]: Removed 46 assue(true) statements. [2018-12-08 16:06:28,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:06:28 BoogieIcfgContainer [2018-12-08 16:06:28,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:06:28,105 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:06:28,105 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:06:28,111 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:06:28,111 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:06:28" (1/1) ... [2018-12-08 16:06:28,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:06:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2018-12-08 16:06:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-12-08 16:06:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 16:06:28,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-08 16:06:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-08 16:06:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 16:06:28,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2018-12-08 16:06:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-08 16:06:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 16:06:28,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2018-12-08 16:06:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2018-12-08 16:06:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:06:28,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2018-12-08 16:06:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2018-12-08 16:06:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:06:28,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2018-12-08 16:06:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2018-12-08 16:06:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:06:28,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2018-12-08 16:06:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2018-12-08 16:06:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 16:06:29,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 96 states and 161 transitions. [2018-12-08 16:06:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2018-12-08 16:06:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:06:29,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:06:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 100 states and 166 transitions. [2018-12-08 16:06:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-12-08 16:06:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:06:29,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 167 transitions. [2018-12-08 16:06:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2018-12-08 16:06:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:06:29,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 170 transitions. [2018-12-08 16:06:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 170 transitions. [2018-12-08 16:06:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:06:29,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 103 states and 171 transitions. [2018-12-08 16:06:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2018-12-08 16:06:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:06:29,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:06:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 180 transitions. [2018-12-08 16:06:30,093 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-12-08 16:06:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 16:06:30,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:06:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 203 transitions. [2018-12-08 16:06:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 203 transitions. [2018-12-08 16:06:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 16:06:30,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 122 states and 220 transitions. [2018-12-08 16:06:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 220 transitions. [2018-12-08 16:06:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 16:06:31,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:31,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 120 states and 216 transitions. [2018-12-08 16:06:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 216 transitions. [2018-12-08 16:06:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 16:06:31,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:06:31,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 122 states and 217 transitions. [2018-12-08 16:06:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 217 transitions. [2018-12-08 16:06:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:06:31,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 222 transitions. [2018-12-08 16:06:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2018-12-08 16:06:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:06:31,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 131 states and 251 transitions. [2018-12-08 16:06:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 251 transitions. [2018-12-08 16:06:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:06:32,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 133 states and 255 transitions. [2018-12-08 16:06:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 255 transitions. [2018-12-08 16:06:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 16:06:32,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:06:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 135 states and 257 transitions. [2018-12-08 16:06:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 257 transitions. [2018-12-08 16:06:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:06:32,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 137 states and 258 transitions. [2018-12-08 16:06:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2018-12-08 16:06:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 16:06:32,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 142 states and 265 transitions. [2018-12-08 16:06:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 265 transitions. [2018-12-08 16:06:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 16:06:32,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 144 states and 266 transitions. [2018-12-08 16:06:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 266 transitions. [2018-12-08 16:06:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:06:32,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:06:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 316 transitions. [2018-12-08 16:06:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2018-12-08 16:06:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 16:06:37,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 162 states and 317 transitions. [2018-12-08 16:06:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 317 transitions. [2018-12-08 16:06:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:06:37,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:06:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 163 states and 318 transitions. [2018-12-08 16:06:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 318 transitions. [2018-12-08 16:06:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:06:37,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:06:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 168 states and 321 transitions. [2018-12-08 16:06:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 321 transitions. [2018-12-08 16:06:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:06:38,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:06:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 172 states and 323 transitions. [2018-12-08 16:06:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2018-12-08 16:06:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:06:39,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:06:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 175 states and 331 transitions. [2018-12-08 16:06:39,322 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 331 transitions. [2018-12-08 16:06:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:06:39,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:06:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 173 states and 327 transitions. [2018-12-08 16:06:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 327 transitions. [2018-12-08 16:06:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:06:39,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:06:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 174 states and 330 transitions. [2018-12-08 16:06:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 330 transitions. [2018-12-08 16:06:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:06:39,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:06:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 176 states and 335 transitions. [2018-12-08 16:06:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 335 transitions. [2018-12-08 16:06:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:06:39,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:06:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 177 states and 336 transitions. [2018-12-08 16:06:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 336 transitions. [2018-12-08 16:06:40,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:06:40,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:06:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 178 states and 337 transitions. [2018-12-08 16:06:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 337 transitions. [2018-12-08 16:06:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:06:40,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:06:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 180 states and 341 transitions. [2018-12-08 16:06:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 341 transitions. [2018-12-08 16:06:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:06:40,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:06:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 181 states and 342 transitions. [2018-12-08 16:06:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 342 transitions. [2018-12-08 16:06:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:06:40,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 16:06:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 182 states and 343 transitions. [2018-12-08 16:06:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 343 transitions. [2018-12-08 16:06:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:06:40,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:06:40,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 172 states and 314 transitions. [2018-12-08 16:06:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 314 transitions. [2018-12-08 16:06:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:06:40,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:06:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 180 states and 353 transitions. [2018-12-08 16:06:42,372 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 353 transitions. [2018-12-08 16:06:42,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:06:42,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:06:42,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:42,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 182 states and 359 transitions. [2018-12-08 16:06:42,998 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 359 transitions. [2018-12-08 16:06:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:06:42,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:06:44,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 189 states and 384 transitions. [2018-12-08 16:06:44,705 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 384 transitions. [2018-12-08 16:06:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:06:44,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:06:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 193 states and 392 transitions. [2018-12-08 16:06:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 392 transitions. [2018-12-08 16:06:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 16:06:45,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:06:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 195 states and 396 transitions. [2018-12-08 16:06:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 396 transitions. [2018-12-08 16:06:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 16:06:46,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:06:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 196 states and 397 transitions. [2018-12-08 16:06:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 397 transitions. [2018-12-08 16:06:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:06:46,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:06:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 202 states and 414 transitions. [2018-12-08 16:06:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2018-12-08 16:06:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 16:06:48,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:06:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 208 states and 428 transitions. [2018-12-08 16:06:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 428 transitions. [2018-12-08 16:06:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:06:49,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:06:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 208 states and 424 transitions. [2018-12-08 16:06:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 424 transitions. [2018-12-08 16:06:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:06:50,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:06:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 221 states and 448 transitions. [2018-12-08 16:06:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 448 transitions. [2018-12-08 16:06:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:06:53,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:06:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 223 states and 449 transitions. [2018-12-08 16:06:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 449 transitions. [2018-12-08 16:06:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 16:06:53,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:06:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:06:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 230 states and 464 transitions. [2018-12-08 16:06:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 464 transitions. [2018-12-08 16:06:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 16:06:57,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:06:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:06:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 37 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 16:07:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:07:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 243 states and 487 transitions. [2018-12-08 16:07:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 487 transitions. [2018-12-08 16:07:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 16:07:00,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:07:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:07:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:07:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:07:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 244 states and 488 transitions. [2018-12-08 16:07:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 488 transitions. [2018-12-08 16:07:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 16:07:00,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:07:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:07:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:07:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:07:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 240 states and 461 transitions. [2018-12-08 16:07:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 461 transitions. [2018-12-08 16:07:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 16:07:06,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:07:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:07:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:07:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:07:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 240 states and 458 transitions. [2018-12-08 16:07:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 458 transitions. [2018-12-08 16:07:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 16:07:08,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:07:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:07:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:07:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:07:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 242 states and 459 transitions. [2018-12-08 16:07:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 459 transitions. [2018-12-08 16:07:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 16:07:08,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:07:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:07:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:07:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:07:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 243 states and 460 transitions. [2018-12-08 16:07:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 460 transitions. [2018-12-08 16:07:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 16:07:09,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:07:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:07:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 16:07:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:07:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 256 states and 497 transitions. [2018-12-08 16:07:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 497 transitions. [2018-12-08 16:07:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 16:07:20,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:07:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:07:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:07:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:07:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:07:20,687 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 58 iterations. [2018-12-08 16:07:20,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:07:20 ImpRootNode [2018-12-08 16:07:20,802 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:07:20,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:07:20,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:07:20,802 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:07:20,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:06:28" (3/4) ... [2018-12-08 16:07:20,804 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 16:07:20,881 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1731c93b-1849-458b-87c5-878efcd13485/bin-2019/ukojak/witness.graphml [2018-12-08 16:07:20,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:07:20,881 INFO L168 Benchmark]: Toolchain (without parser) took 53596.73 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 723.5 MB). Free memory was 950.6 MB in the beginning and 1.5 GB in the end (delta: -595.2 MB). Peak memory consumption was 128.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:07:20,882 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:07:20,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:07:20,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:07:20,882 INFO L168 Benchmark]: Boogie Preprocessor took 17.45 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. [2018-12-08 16:07:20,883 INFO L168 Benchmark]: RCFGBuilder took 494.29 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:07:20,883 INFO L168 Benchmark]: CodeCheck took 52696.85 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 620.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -562.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:07:20,883 INFO L168 Benchmark]: Witness Printer took 78.57 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:07:20,884 INFO L336 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, 74 locations, 1 error locations. UNSAFE Result, 52.5s OverallTime, 58 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1604350468 SDtfs, -1207501134 SDslu, 338827960 SDs, 0 SdLazy, 1135301836 SolverSat, 652508798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32776 GetRequests, 31638 SyntacticMatches, 434 SemanticMatches, 704 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291112 ImplicationChecksByTransitivity, 48.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2816 NumberOfCodeBlocks, 2816 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2683 ConstructedInterpolants, 0 QuantifiedInterpolants, 418444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 36 PerfectInterpolantSequences, 1371/1625 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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 TRUE \read(tmp___2) [L321] systemActive = 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 494.29 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 52696.85 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 620.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -562.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * Witness Printer took 78.57 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...