./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/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 0.1.24-6b5699a [2019-11-26 02:37:57,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:37:57,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:37:57,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:37:57,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:37:57,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:37:57,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:37:57,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:37:57,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:37:57,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:37:57,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:37:57,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:37:57,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:37:57,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:37:57,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:37:57,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:37:57,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:37:57,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:37:57,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:37:57,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:37:57,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:37:57,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:37:57,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:37:57,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:37:57,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:37:57,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:37:57,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:37:57,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:37:57,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:37:57,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:37:57,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:37:57,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:37:57,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:37:57,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:37:57,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:37:57,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:37:57,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:37:57,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:37:57,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:37:57,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:37:57,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:37:57,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:37:57,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:37:57,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:37:57,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:37:57,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:37:57,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:37:57,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:37:57,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:37:57,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:37:57,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:37:57,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:37:57,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:37:57,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:37:57,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:37:57,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:37:57,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:37:57,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:37:57,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:37:57,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:37:57,635 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:37:57,636 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:37:57,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:37:57,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:37:57,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:37:57,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:37:57,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:37:57,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:37:57,637 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:37:57,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:37:57,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:37:57,637 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_2223d04f-de17-4234-8188-0f230475394a/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 [2019-11-26 02:37:57,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:37:57,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:37:57,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:37:57,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:37:57,813 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:37:57,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2019-11-26 02:37:57,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/data/d63924077/04257ce328e64053b68594af8ce5dfe6/FLAGc101f959e [2019-11-26 02:37:58,288 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:37:58,289 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2019-11-26 02:37:58,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/data/d63924077/04257ce328e64053b68594af8ce5dfe6/FLAGc101f959e [2019-11-26 02:37:58,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/data/d63924077/04257ce328e64053b68594af8ce5dfe6 [2019-11-26 02:37:58,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:37:58,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:37:58,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:37:58,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:37:58,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:37:58,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f2075e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58, skipping insertion in model container [2019-11-26 02:37:58,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:37:58,380 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:37:58,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:37:58,712 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:37:58,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:37:58,829 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:37:58,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58 WrapperNode [2019-11-26 02:37:58,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:37:58,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:37:58,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:37:58,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:37:58,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:37:58,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:37:58,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:37:58,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:37:58,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... [2019-11-26 02:37:58,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:37:58,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:37:58,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:37:58,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:37:58,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:37:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:37:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:37:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:37:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:37:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:37:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:37:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:37:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:37:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:37:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:37:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:37:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:37:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:37:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:37:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:37:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:37:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:37:59,921 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:37:59,921 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:37:59,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:37:59 BoogieIcfgContainer [2019-11-26 02:37:59,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:37:59,923 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:37:59,923 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:37:59,934 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:37:59,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:37:59" (1/1) ... [2019-11-26 02:37:59,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:37:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:37:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-11-26 02:37:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-11-26 02:37:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:37:59,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-11-26 02:38:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-26 02:38:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:38:00,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:00,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-11-26 02:38:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-11-26 02:38:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:38:00,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:00,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-11-26 02:38:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-11-26 02:38:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:38:00,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2019-11-26 02:38:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2019-11-26 02:38:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:38:00,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2019-11-26 02:38:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2019-11-26 02:38:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:38:00,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2019-11-26 02:38:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2019-11-26 02:38:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:38:01,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2019-11-26 02:38:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2019-11-26 02:38:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:38:01,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 136 transitions. [2019-11-26 02:38:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 136 transitions. [2019-11-26 02:38:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:38:02,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:38:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2019-11-26 02:38:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2019-11-26 02:38:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:38:02,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 97 states and 148 transitions. [2019-11-26 02:38:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2019-11-26 02:38:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:38:02,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:38:03,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 167 transitions. [2019-11-26 02:38:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2019-11-26 02:38:03,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:38:03,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:38:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 180 transitions. [2019-11-26 02:38:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2019-11-26 02:38:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:38:04,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:04,399 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:38:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 176 transitions. [2019-11-26 02:38:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2019-11-26 02:38:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:38:04,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:38:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 159 transitions. [2019-11-26 02:38:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2019-11-26 02:38:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:38:04,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:38:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 103 states and 163 transitions. [2019-11-26 02:38:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2019-11-26 02:38:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:38:04,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:38:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 184 transitions. [2019-11-26 02:38:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2019-11-26 02:38:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:38:06,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:38:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 111 states and 186 transitions. [2019-11-26 02:38:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2019-11-26 02:38:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:38:06,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:38:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 122 states and 211 transitions. [2019-11-26 02:38:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2019-11-26 02:38:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:38:06,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:38:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 212 transitions. [2019-11-26 02:38:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 212 transitions. [2019-11-26 02:38:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:38:07,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:38:08,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 224 transitions. [2019-11-26 02:38:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 224 transitions. [2019-11-26 02:38:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:38:08,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:38:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 131 states and 225 transitions. [2019-11-26 02:38:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2019-11-26 02:38:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:38:08,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-26 02:38:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 144 states and 268 transitions. [2019-11-26 02:38:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 268 transitions. [2019-11-26 02:38:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:38:13,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:38:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:38:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:38:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:38:13,494 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2019-11-26 02:38:13,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:38:13 ImpRootNode [2019-11-26 02:38:13,659 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:38:13,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:38:13,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:38:13,660 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:38:13,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:37:59" (3/4) ... [2019-11-26 02:38:13,662 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:38:13,786 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2223d04f-de17-4234-8188-0f230475394a/bin/ukojak/witness.graphml [2019-11-26 02:38:13,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:38:13,789 INFO L168 Benchmark]: Toolchain (without parser) took 15471.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 284.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:13,789 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:13,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:13,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:13,790 INFO L168 Benchmark]: Boogie Preprocessor took 33.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:13,790 INFO L168 Benchmark]: RCFGBuilder took 1003.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:13,791 INFO L168 Benchmark]: CodeCheck took 13735.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:13,791 INFO L168 Benchmark]: Witness Printer took 127.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:13,793 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: 13.5s, OverallIterations: 23, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 89529720 SDtfs, 26071914 SDslu, 42915184 SDs, 0 SdLazy, 38987694 SolverSat, 11947972 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7414 GetRequests, 7176 SyntacticMatches, 20 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19761 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 798 NumberOfCodeBlocks, 798 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 724 ConstructedInterpolants, 0 QuantifiedInterpolants, 63949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 175/185 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: [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [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 TRUE \read(tmp___2) 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 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 513.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1003.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 13735.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Witness Printer took 127.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...