./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e775674397a9c2f1915fc4aeec4057e4316f59fc ............................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 18:50:31,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:50:31,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:50:31,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:50:31,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:50:31,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:50:31,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:50:31,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:50:31,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:50:31,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:50:31,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:50:31,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:50:31,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:50:31,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:50:31,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:50:31,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:50:31,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:50:31,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:50:31,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:50:31,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:50:31,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:50:31,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:50:31,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:50:31,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:50:31,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:50:31,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:50:31,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:50:31,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:50:31,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:50:31,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:50:31,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:50:31,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:50:31,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:50:31,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:50:31,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:50:31,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:50:31,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:50:31,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:50:31,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:50:31,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:50:31,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:50:31,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 18:50:31,957 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:50:31,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:50:31,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:50:31,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:50:31,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:50:31,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:50:31,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:50:31,959 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:50:31,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:50:31,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:50:31,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:50:31,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:50:31,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:50:31,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:50:31,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:50:31,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:50:31,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:50:31,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:50:31,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:50:31,966 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:50:31,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:50:31,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:50:31,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:50:31,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:50:31,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:50:31,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:50:31,967 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:50:31,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:50:31,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:50:31,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e775674397a9c2f1915fc4aeec4057e4316f59fc [2020-11-29 18:50:32,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:50:32,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:50:32,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:50:32,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:50:32,252 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:50:32,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2020-11-29 18:50:32,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/data/cf1bc2d8a/df7c0c34cbf944d48353772ecf515921/FLAG1ab3c6bfa [2020-11-29 18:50:32,813 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:50:32,814 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2020-11-29 18:50:32,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/data/cf1bc2d8a/df7c0c34cbf944d48353772ecf515921/FLAG1ab3c6bfa [2020-11-29 18:50:33,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/data/cf1bc2d8a/df7c0c34cbf944d48353772ecf515921 [2020-11-29 18:50:33,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:50:33,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:50:33,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:50:33,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:50:33,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:50:33,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671db0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33, skipping insertion in model container [2020-11-29 18:50:33,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:50:33,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:50:33,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:50:33,611 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:50:33,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:50:33,763 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:50:33,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33 WrapperNode [2020-11-29 18:50:33,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:50:33,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:50:33,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:50:33,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:50:33,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:50:33,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:50:33,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:50:33,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:50:33,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... [2020-11-29 18:50:33,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:50:33,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:50:33,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:50:33,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:50:33,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/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 [2020-11-29 18:50:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:50:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 18:50:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 18:50:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 18:50:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 18:50:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 18:50:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 18:50:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 18:50:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 18:50:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 18:50:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 18:50:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:50:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 18:50:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 18:50:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:50:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:50:35,313 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:50:35,313 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 18:50:35,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:35 BoogieIcfgContainer [2020-11-29 18:50:35,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:50:35,316 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:50:35,316 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:50:35,326 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:50:35,326 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:35" (1/1) ... [2020-11-29 18:50:35,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-11-29 18:50:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-11-29 18:50:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:50:35,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:35,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-11-29 18:50:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-11-29 18:50:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:50:35,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-29 18:50:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-29 18:50:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:50:35,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:36,432 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-29 18:50:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2020-11-29 18:50:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2020-11-29 18:50:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:50:36,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2020-11-29 18:50:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2020-11-29 18:50:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:50:36,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2020-11-29 18:50:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2020-11-29 18:50:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:50:37,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:50:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 89 states and 167 transitions. [2020-11-29 18:50:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2020-11-29 18:50:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:50:39,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:50:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:50:39,828 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:50:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:50:39,887 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:50:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:50:40,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:50:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:50:40,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:50:40,437 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2020-11-29 18:50:40,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:50:40 ImpRootNode [2020-11-29 18:50:40,631 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:50:40,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:50:40,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:50:40,632 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:50:40,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:35" (3/4) ... [2020-11-29 18:50:40,634 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 18:50:40,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bed8f062-e048-48ca-aedf-b4e216cb6d65/bin/ukojak/witness.graphml [2020-11-29 18:50:40,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:50:40,788 INFO L168 Benchmark]: Toolchain (without parser) took 7648.06 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 81.1 MB in the beginning and 80.8 MB in the end (delta: 304.8 kB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:50:40,789 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 35.4 MB in the beginning and 35.4 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:50:40,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.22 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 79.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:50:40,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.33 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 76.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:50:40,791 INFO L168 Benchmark]: Boogie Preprocessor took 35.03 ms. Allocated memory is still 115.3 MB. Free memory was 76.5 MB in the beginning and 75.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:50:40,791 INFO L168 Benchmark]: RCFGBuilder took 1450.90 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 75.0 MB in the beginning and 86.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:50:40,792 INFO L168 Benchmark]: CodeCheck took 5315.79 ms. Allocated memory is still 138.4 MB. Free memory was 86.3 MB in the beginning and 91.3 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:50:40,792 INFO L168 Benchmark]: Witness Printer took 151.96 ms. Allocated memory is still 138.4 MB. Free memory was 91.3 MB in the beginning and 80.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:50:40,797 INFO L339 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, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1612 SDtfs, 512 SDslu, 1080 SDs, 0 SdLazy, 892 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1074 GetRequests, 994 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2084 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 5485 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L409] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L610] int pumpRunning = 0; [L611] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L864] int retValue_acc ; [L867] retValue_acc = 1 [L868] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L772] int splverifierCounter ; [L773] int tmp ; [L774] int tmp___0 ; [L775] int tmp___1 ; [L776] int tmp___2 ; [L779] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L783] COND TRUE splverifierCounter < 4 [L789] tmp = __VERIFIER_nondet_int() [L791] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L793] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 [L793] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] tmp___0 = __VERIFIER_nondet_int() [L801] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] tmp___2 = __VERIFIER_nondet_int() [L811] COND TRUE \read(tmp___2) [L766] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L826] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L625] COND TRUE \read(systemActive) [L647] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L665] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] int tmp ; [L876] int tmp___0 ; [L877] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L881] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L881] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L881] tmp = isMethaneLevelCritical() [L883] COND FALSE !(\read(tmp)) [L222] int retValue_acc ; [L225] retValue_acc = waterLevel [L226] return (retValue_acc); [L887] tmp___0 = getWaterLevel() [L889] COND TRUE tmp___0 == 2 [L699] int retValue_acc ; [L702] retValue_acc = pumpRunning [L703] return (retValue_acc); [L891] tmp___1 = isPumpRunning() [L893] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product18.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \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 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 35.4 MB in the beginning and 35.4 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.22 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 79.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.33 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 76.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.03 ms. Allocated memory is still 115.3 MB. Free memory was 76.5 MB in the beginning and 75.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1450.90 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 75.0 MB in the beginning and 86.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. * CodeCheck took 5315.79 ms. Allocated memory is still 138.4 MB. Free memory was 86.3 MB in the beginning and 91.3 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 151.96 ms. Allocated memory is still 138.4 MB. Free memory was 91.3 MB in the beginning and 80.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...