./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/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 9eb4b34c09edb6dce3c64c5d30aa92b31214d915 ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 06:01:48,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:01:48,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:01:48,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:01:48,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:01:48,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:01:48,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:01:48,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:01:48,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:01:48,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:01:48,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:01:48,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:01:48,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:01:48,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:01:48,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:01:48,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:01:48,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:01:48,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:01:48,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:01:48,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:01:48,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:01:48,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:01:48,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:01:48,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:01:48,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:01:48,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:01:48,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:01:48,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:01:48,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:01:48,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:01:48,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:01:48,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:01:48,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:01:48,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:01:48,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:01:48,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:01:48,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:01:48,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:01:48,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:01:48,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:01:48,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:01:48,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:01:48,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:01:48,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:01:48,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:01:48,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:01:48,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:01:48,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:01:48,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:01:48,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:01:48,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:01:48,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:01:48,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:01:48,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:01:48,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:01:48,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:01:48,613 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:01:48,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:01:48,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:01:48,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:01:48,613 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:01:48,613 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:01:48,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:01:48,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:01:48,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:01:48,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:01:48,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:01:48,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:01:48,615 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:01:48,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:01:48,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:01:48,615 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_b55b0137-25a2-4097-a923-fab297d97fb6/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 -> 9eb4b34c09edb6dce3c64c5d30aa92b31214d915 [2019-11-20 06:01:48,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:01:48,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:01:48,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:01:48,771 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:01:48,771 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:01:48,772 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2019-11-20 06:01:48,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/data/351dd7271/d60a0867d5dd4fa785b7543cbbc36077/FLAG88350fd99 [2019-11-20 06:01:49,318 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:01:49,320 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2019-11-20 06:01:49,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/data/351dd7271/d60a0867d5dd4fa785b7543cbbc36077/FLAG88350fd99 [2019-11-20 06:01:49,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/data/351dd7271/d60a0867d5dd4fa785b7543cbbc36077 [2019-11-20 06:01:49,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:01:49,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:01:49,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:01:49,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:01:49,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:01:49,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:49" (1/1) ... [2019-11-20 06:01:49,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d307ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:49, skipping insertion in model container [2019-11-20 06:01:49,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:49" (1/1) ... [2019-11-20 06:01:49,817 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:01:49,878 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:01:50,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:01:50,275 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:01:50,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:01:50,385 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:01:50,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50 WrapperNode [2019-11-20 06:01:50,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:01:50,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:01:50,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:01:50,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:01:50,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:01:50,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:01:50,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:01:50,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:01:50,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... [2019-11-20 06:01:50,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:01:50,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:01:50,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:01:50,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:01:50,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/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 [2019-11-20 06:01:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:01:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 06:01:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 06:01:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 06:01:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 06:01:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 06:01:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 06:01:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 06:01:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 06:01:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 06:01:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 06:01:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:01:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 06:01:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 06:01:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:01:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:01:51,466 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:01:51,466 INFO L285 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-20 06:01:51,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:51 BoogieIcfgContainer [2019-11-20 06:01:51,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:01:51,468 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:01:51,468 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:01:51,479 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:01:51,479 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:51" (1/1) ... [2019-11-20 06:01:51,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:01:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:51,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-11-20 06:01:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-11-20 06:01:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:01:51,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-11-20 06:01:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-11-20 06:01:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:01:51,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:51,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-11-20 06:01:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-20 06:01:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:01:51,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2019-11-20 06:01:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2019-11-20 06:01:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:01:52,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2019-11-20 06:01:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2019-11-20 06:01:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:01:52,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 82 states and 137 transitions. [2019-11-20 06:01:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2019-11-20 06:01:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:01:53,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 97 states and 168 transitions. [2019-11-20 06:01:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 168 transitions. [2019-11-20 06:01:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:01:55,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 100 states and 172 transitions. [2019-11-20 06:01:55,963 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2019-11-20 06:01:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:01:55,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 101 states and 173 transitions. [2019-11-20 06:01:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 173 transitions. [2019-11-20 06:01:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:01:56,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 102 states and 176 transitions. [2019-11-20 06:01:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2019-11-20 06:01:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:01:56,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:56,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 107 states and 190 transitions. [2019-11-20 06:01:56,965 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 190 transitions. [2019-11-20 06:01:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:01:56,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 110 states and 197 transitions. [2019-11-20 06:01:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 197 transitions. [2019-11-20 06:01:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 06:01:57,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 112 states and 205 transitions. [2019-11-20 06:01:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 205 transitions. [2019-11-20 06:01:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 06:01:57,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 208 transitions. [2019-11-20 06:01:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 208 transitions. [2019-11-20 06:01:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 06:01:57,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 207 transitions. [2019-11-20 06:01:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 207 transitions. [2019-11-20 06:01:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:01:58,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 116 states and 208 transitions. [2019-11-20 06:01:58,316 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2019-11-20 06:01:58,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 06:01:58,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 214 transitions. [2019-11-20 06:01:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2019-11-20 06:01:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 06:01:58,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:01:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:01:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:01:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:01:58,972 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2019-11-20 06:01:59,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:01:59 ImpRootNode [2019-11-20 06:01:59,149 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:01:59,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:01:59,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:01:59,151 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:01:59,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:51" (3/4) ... [2019-11-20 06:01:59,153 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 06:01:59,265 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b55b0137-25a2-4097-a923-fab297d97fb6/bin/ukojak/witness.graphml [2019-11-20 06:01:59,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:01:59,267 INFO L168 Benchmark]: Toolchain (without parser) took 9471.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 311.4 MB). Free memory was 948.7 MB in the beginning and 823.4 MB in the end (delta: 125.4 MB). Peak memory consumption was 436.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:01:59,267 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:01:59,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:01:59,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.02 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:01:59,268 INFO L168 Benchmark]: Boogie Preprocessor took 31.92 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. [2019-11-20 06:01:59,269 INFO L168 Benchmark]: RCFGBuilder took 988.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:01:59,269 INFO L168 Benchmark]: CodeCheck took 7681.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 836.1 MB in the end (delta: 192.6 MB). Peak memory consumption was 375.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:01:59,270 INFO L168 Benchmark]: Witness Printer took 115.06 ms. Allocated memory is still 1.3 GB. Free memory was 836.1 MB in the beginning and 823.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:01:59,271 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, 46 locations, 1 error locations. Result: UNSAFE, OverallTime: 7.4s, OverallIterations: 17, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1601552 SDtfs, 663824 SDslu, 1222852 SDs, 0 SdLazy, 1309400 SolverSat, 420604 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3751 GetRequests, 3579 SyntacticMatches, 38 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7430 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 21899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L432] int retValue_acc ; [L435] retValue_acc = 1 [L436] return (retValue_acc); [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L356] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 [L356] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] COND FALSE !(\read(methaneLevelCritical)) [L272] methaneLevelCritical = 1 [L366] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) [L231] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L391] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L75] COND TRUE \read(systemActive) [L97] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L100] COND TRUE ! pumpRunning [L194] int retValue_acc ; [L195] int tmp ; [L196] int tmp___0 ; [L319] int retValue_acc ; [L322] COND FALSE !(waterLevel < 2) [L326] retValue_acc = 0 [L327] return (retValue_acc); [L200] tmp = isHighWaterSensorDry() [L202] COND FALSE !(\read(tmp)) [L205] tmp___0 = 1 [L207] retValue_acc = tmp___0 [L208] return (retValue_acc); [L102] tmp = isHighWaterLevel() [L104] COND TRUE \read(tmp) [L125] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L808] int tmp ; [L809] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L813] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); [L813] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L813] tmp = isMethaneLevelCritical() [L815] COND TRUE \read(tmp) [L149] int retValue_acc ; [L152] retValue_acc = pumpRunning [L153] return (retValue_acc); [L817] tmp___0 = isPumpRunning() [L819] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.02 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.92 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 988.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. * CodeCheck took 7681.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 836.1 MB in the end (delta: 192.6 MB). Peak memory consumption was 375.6 MB. Max. memory is 11.5 GB. * Witness Printer took 115.06 ms. Allocated memory is still 1.3 GB. Free memory was 836.1 MB in the beginning and 823.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...