./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product10.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_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/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 1c01eb0b5d4882b25b2cd231430133c4569ce38c ...................................................................................................................................................................................................................................................................................................... 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 07:02:40,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:02:40,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:02:40,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:02:40,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:02:40,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:02:40,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:02:40,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:02:40,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:02:40,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:02:40,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:02:40,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:02:40,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:02:40,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:02:40,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:02:40,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:02:40,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:02:40,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:02:40,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:02:40,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:02:40,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:02:40,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:02:40,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:02:40,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:02:40,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:02:40,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:02:40,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:02:40,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:02:40,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:02:40,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:02:40,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:02:40,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:02:40,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:02:40,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:02:40,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:02:40,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:02:40,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:02:40,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:02:40,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:02:40,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:02:40,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:02:40,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:02:40,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:02:40,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:02:40,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:02:40,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:02:40,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:02:40,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:02:40,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:02:40,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:02:40,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:02:40,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:02:40,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:02:40,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:02:40,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:02:40,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:02:40,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:02:40,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:02:40,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:02:40,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:02:40,911 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:02:40,911 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:02:40,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:02:40,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:02:40,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:02:40,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:02:40,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:02:40,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:02:40,912 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:02:40,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:02:40,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:02:40,913 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_7b57420a-d0cf-4cbe-9c25-a5b109327894/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 -> 1c01eb0b5d4882b25b2cd231430133c4569ce38c [2019-11-20 07:02:41,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:02:41,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:02:41,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:02:41,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:02:41,098 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:02:41,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2019-11-20 07:02:41,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/data/5a6d91540/8bed299bf65847e28a2156a75c057c62/FLAGda74deadc [2019-11-20 07:02:41,568 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:02:41,569 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2019-11-20 07:02:41,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/data/5a6d91540/8bed299bf65847e28a2156a75c057c62/FLAGda74deadc [2019-11-20 07:02:41,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/data/5a6d91540/8bed299bf65847e28a2156a75c057c62 [2019-11-20 07:02:41,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:02:41,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:02:41,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:02:41,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:02:41,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:02:41,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:02:41" (1/1) ... [2019-11-20 07:02:41,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77bd82b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:41, skipping insertion in model container [2019-11-20 07:02:41,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:02:41" (1/1) ... [2019-11-20 07:02:41,886 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:02:41,943 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:02:42,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:02:42,331 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:02:42,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:02:42,440 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:02:42,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42 WrapperNode [2019-11-20 07:02:42,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:02:42,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:02:42,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:02:42,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:02:42,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:02:42,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:02:42,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:02:42,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:02:42,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... [2019-11-20 07:02:42,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:02:42,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:02:42,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:02:42,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:02:42,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/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 07:02:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:02:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 07:02:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 07:02:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 07:02:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 07:02:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 07:02:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 07:02:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 07:02:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 07:02:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 07:02:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 07:02:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 07:02:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:02:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:02:43,630 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:02:43,630 INFO L285 CfgBuilder]: Removed 32 assume(true) statements. [2019-11-20 07:02:43,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:02:43 BoogieIcfgContainer [2019-11-20 07:02:43,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:02:43,632 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:02:43,632 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:02:43,641 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:02:43,642 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:02:43" (1/1) ... [2019-11-20 07:02:43,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:02:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2019-11-20 07:02:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2019-11-20 07:02:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:02:43,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:43,948 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 07:02:43,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:43,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2019-11-20 07:02:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2019-11-20 07:02:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:02:43,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:44,078 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 07:02:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:44,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2019-11-20 07:02:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2019-11-20 07:02:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:02:44,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:44,204 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 07:02:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2019-11-20 07:02:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2019-11-20 07:02:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 07:02:44,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:02:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:02:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:02:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:02:44,915 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-11-20 07:02:45,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:02:45 ImpRootNode [2019-11-20 07:02:45,023 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:02:45,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:02:45,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:02:45,024 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:02:45,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:02:43" (3/4) ... [2019-11-20 07:02:45,027 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 07:02:45,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7b57420a-d0cf-4cbe-9c25-a5b109327894/bin/ukojak/witness.graphml [2019-11-20 07:02:45,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:02:45,135 INFO L168 Benchmark]: Toolchain (without parser) took 3264.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 939.3 MB in the beginning and 967.7 MB in the end (delta: -28.4 MB). Peak memory consumption was 163.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:45,136 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-11-20 07:02:45,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:45,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:45,137 INFO L168 Benchmark]: Boogie Preprocessor took 36.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:45,137 INFO L168 Benchmark]: RCFGBuilder took 1097.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:45,138 INFO L168 Benchmark]: CodeCheck took 1391.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.7 MB in the end (delta: 100.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:45,138 INFO L168 Benchmark]: Witness Printer took 109.71 ms. Allocated memory is still 1.2 GB. Free memory was 977.7 MB in the beginning and 967.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:45,140 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 6 procedures, 39 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 44 SDslu, 68 SDs, 0 SdLazy, 78 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 1824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L781] int cleanupTimeShifts = 4; [L854] int retValue_acc ; [L855] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L861] tmp = valid_product() [L863] COND TRUE \read(tmp) [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L552] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L554] COND TRUE splverifierCounter < 4 [L560] tmp = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L564] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 [L564] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___2) [L742] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); [L754] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] tmp = isMethaneLevelCritical() [L756] COND FALSE !(\read(tmp)) [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); [L760] tmp___0 = getWaterLevel() [L762] COND TRUE tmp___0 == 2 [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); [L764] tmp___1 = isPumpRunning() [L766] COND FALSE !(\read(tmp___1)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 567.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1097.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1391.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.7 MB in the end (delta: 100.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. * Witness Printer took 109.71 ms. Allocated memory is still 1.2 GB. Free memory was 977.7 MB in the beginning and 967.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...