./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.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_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/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 5a2d3ce20e3d26ebf70024607ecab77b852f9995 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2019-12-02 00:20:52,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 00:20:52,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 00:20:52,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 00:20:52,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 00:20:52,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 00:20:52,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 00:20:52,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 00:20:52,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 00:20:52,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 00:20:52,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 00:20:52,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 00:20:52,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 00:20:52,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 00:20:52,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 00:20:52,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 00:20:52,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 00:20:52,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 00:20:52,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 00:20:52,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 00:20:52,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 00:20:52,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 00:20:52,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 00:20:52,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 00:20:52,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 00:20:52,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 00:20:52,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 00:20:52,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 00:20:52,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 00:20:52,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 00:20:52,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 00:20:52,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 00:20:52,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 00:20:52,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 00:20:52,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 00:20:52,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 00:20:52,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 00:20:52,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 00:20:52,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 00:20:52,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 00:20:52,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 00:20:52,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 00:20:52,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 00:20:52,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 00:20:52,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 00:20:52,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 00:20:52,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 00:20:52,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 00:20:52,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 00:20:52,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 00:20:52,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 00:20:52,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 00:20:52,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 00:20:52,570 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 00:20:52,570 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 00:20:52,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 00:20:52,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 00:20:52,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 00:20:52,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 00:20:52,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 00:20:52,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 00:20:52,571 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 00:20:52,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 00:20:52,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 00:20:52,571 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_0e08c59a-741f-473c-9965-1193c0f29d88/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 -> 5a2d3ce20e3d26ebf70024607ecab77b852f9995 [2019-12-02 00:20:52,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 00:20:52,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 00:20:52,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 00:20:52,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 00:20:52,684 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 00:20:52,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2019-12-02 00:20:52,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/data/80ee908a2/0cb7201567cf4272a0d35e7d48b8e450/FLAGbfc978691 [2019-12-02 00:20:53,079 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 00:20:53,080 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2019-12-02 00:20:53,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/data/80ee908a2/0cb7201567cf4272a0d35e7d48b8e450/FLAGbfc978691 [2019-12-02 00:20:53,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/data/80ee908a2/0cb7201567cf4272a0d35e7d48b8e450 [2019-12-02 00:20:53,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 00:20:53,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 00:20:53,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 00:20:53,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 00:20:53,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 00:20:53,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53, skipping insertion in model container [2019-12-02 00:20:53,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 00:20:53,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 00:20:53,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 00:20:53,343 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 00:20:53,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 00:20:53,406 INFO L208 MainTranslator]: Completed translation [2019-12-02 00:20:53,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53 WrapperNode [2019-12-02 00:20:53,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 00:20:53,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 00:20:53,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 00:20:53,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 00:20:53,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 00:20:53,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 00:20:53,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 00:20:53,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 00:20:53,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... [2019-12-02 00:20:53,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 00:20:53,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 00:20:53,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 00:20:53,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 00:20:53,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:20:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/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 [2019-12-02 00:20:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 00:20:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-02 00:20:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-02 00:20:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-02 00:20:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-02 00:20:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-02 00:20:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-02 00:20:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-02 00:20:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-02 00:20:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-02 00:20:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-02 00:20:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 00:20:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-02 00:20:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-02 00:20:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 00:20:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 00:20:54,028 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 00:20:54,028 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-02 00:20:54,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:20:54 BoogieIcfgContainer [2019-12-02 00:20:54,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 00:20:54,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 00:20:54,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 00:20:54,038 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 00:20:54,038 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:20:54" (1/1) ... [2019-12-02 00:20:54,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 00:20:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-12-02 00:20:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-12-02 00:20:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 00:20:54,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-12-02 00:20:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-12-02 00:20:54,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 00:20:54,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-12-02 00:20:54,342 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-12-02 00:20:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 00:20:54,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-12-02 00:20:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-12-02 00:20:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 00:20:54,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2019-12-02 00:20:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2019-12-02 00:20:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 00:20:54,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2019-12-02 00:20:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2019-12-02 00:20:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 00:20:54,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2019-12-02 00:20:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2019-12-02 00:20:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 00:20:54,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2019-12-02 00:20:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2019-12-02 00:20:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 00:20:54,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 105 transitions. [2019-12-02 00:20:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2019-12-02 00:20:54,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 00:20:54,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 89 states and 137 transitions. [2019-12-02 00:20:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 137 transitions. [2019-12-02 00:20:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 00:20:55,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:20:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 140 transitions. [2019-12-02 00:20:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2019-12-02 00:20:55,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 00:20:55,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:20:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 97 states and 148 transitions. [2019-12-02 00:20:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2019-12-02 00:20:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 00:20:55,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:20:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 167 transitions. [2019-12-02 00:20:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2019-12-02 00:20:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 00:20:56,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:20:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 180 transitions. [2019-12-02 00:20:56,684 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2019-12-02 00:20:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 00:20:56,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:20:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 176 transitions. [2019-12-02 00:20:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2019-12-02 00:20:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 00:20:56,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 00:20:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 159 transitions. [2019-12-02 00:20:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2019-12-02 00:20:56,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 00:20:56,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 00:20:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 103 states and 163 transitions. [2019-12-02 00:20:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2019-12-02 00:20:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 00:20:57,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 00:20:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 184 transitions. [2019-12-02 00:20:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2019-12-02 00:20:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 00:20:57,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 00:20:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 111 states and 188 transitions. [2019-12-02 00:20:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 188 transitions. [2019-12-02 00:20:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 00:20:57,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 00:20:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 113 states and 190 transitions. [2019-12-02 00:20:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 190 transitions. [2019-12-02 00:20:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 00:20:58,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 00:20:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 211 transitions. [2019-12-02 00:20:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2019-12-02 00:20:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 00:20:58,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 00:20:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 132 states and 225 transitions. [2019-12-02 00:20:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 225 transitions. [2019-12-02 00:20:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-02 00:20:59,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 00:20:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:20:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 137 states and 234 transitions. [2019-12-02 00:20:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2019-12-02 00:20:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-02 00:20:59,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:20:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:20:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 00:21:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:21:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 139 states and 236 transitions. [2019-12-02 00:21:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 236 transitions. [2019-12-02 00:21:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 00:21:00,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:21:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:21:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 00:21:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:21:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 140 states and 237 transitions. [2019-12-02 00:21:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 237 transitions. [2019-12-02 00:21:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 00:21:00,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:21:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:21:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 00:21:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:21:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 153 states and 282 transitions. [2019-12-02 00:21:04,031 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2019-12-02 00:21:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 00:21:04,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:21:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:21:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:21:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:21:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:21:04,296 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2019-12-02 00:21:04,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:21:04 ImpRootNode [2019-12-02 00:21:04,432 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 00:21:04,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 00:21:04,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 00:21:04,432 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 00:21:04,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:20:54" (3/4) ... [2019-12-02 00:21:04,435 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 00:21:04,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e08c59a-741f-473c-9965-1193c0f29d88/bin/ukojak/witness.graphml [2019-12-02 00:21:04,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 00:21:04,535 INFO L168 Benchmark]: Toolchain (without parser) took 11435.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 251.7 MB). Free memory was 943.5 MB in the beginning and 921.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 273.6 MB. Max. memory is 11.5 GB. [2019-12-02 00:21:04,536 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 00:21:04,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-02 00:21:04,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 00:21:04,537 INFO L168 Benchmark]: Boogie Preprocessor took 21.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 00:21:04,537 INFO L168 Benchmark]: RCFGBuilder took 562.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2019-12-02 00:21:04,537 INFO L168 Benchmark]: CodeCheck took 10402.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Free memory was 1.0 GB in the beginning and 949.6 MB in the end (delta: 65.6 MB). Peak memory consumption was 203.0 MB. Max. memory is 11.5 GB. [2019-12-02 00:21:04,537 INFO L168 Benchmark]: Witness Printer took 101.78 ms. Allocated memory is still 1.3 GB. Free memory was 949.6 MB in the beginning and 921.5 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-12-02 00:21:04,539 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, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 10.2s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 714044696 SDtfs, 204851786 SDslu, 337236128 SDs, 0 SdLazy, 301076934 SolverSat, 93305732 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8772 GetRequests, 8500 SyntacticMatches, 42 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22013 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 850 ConstructedInterpolants, 0 QuantifiedInterpolants, 88197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 190/230 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: 887]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L825] int retValue_acc ; [L826] int tmp ; [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] return (retValue_acc); [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L420] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L498] COND TRUE waterLevel < 2 [L499] waterLevel = waterLevel + 1 [L432] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___2)) [L454] tmp___1 = __VERIFIER_nondet_int() [L456] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L593] COND TRUE \read(systemActive) [L615] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] COND TRUE ! pumpRunning [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; [L560] int retValue_acc ; [L563] COND FALSE !(waterLevel < 2) [L567] retValue_acc = 0 [L568] return (retValue_acc); [L736] tmp = isHighWaterSensorDry() [L738] COND FALSE !(\read(tmp)) [L741] tmp___0 = 1 [L743] retValue_acc = tmp___0 [L744] return (retValue_acc); [L620] tmp = isHighWaterLevel() [L622] COND TRUE \read(tmp) [L649] int tmp ; [L674] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L678] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L678] retValue_acc = isMethaneLevelCritical() [L680] return (retValue_acc); [L653] tmp = isMethaneAlarm() [L655] COND FALSE !(\read(tmp)) [L643] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L463] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L420] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L442] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L510] COND FALSE !(\read(methaneLevelCritical)) [L513] methaneLevelCritical = 1 [L442] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L463] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L586] COND TRUE \read(pumpRunning) [L486] COND TRUE waterLevel > 0 [L487] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L593] COND TRUE \read(systemActive) [L615] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L618] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L633] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L893] int tmp ; [L894] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] tmp = isMethaneLevelCritical() [L900] COND TRUE \read(tmp) [L685] int retValue_acc ; [L688] retValue_acc = pumpRunning [L689] return (retValue_acc); [L902] tmp___0 = isPumpRunning() [L904] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L887] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 562.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * CodeCheck took 10402.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Free memory was 1.0 GB in the beginning and 949.6 MB in the end (delta: 65.6 MB). Peak memory consumption was 203.0 MB. Max. memory is 11.5 GB. * Witness Printer took 101.78 ms. Allocated memory is still 1.3 GB. Free memory was 949.6 MB in the beginning and 921.5 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...