./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product55.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_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/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 dbf7149ba5f2c2b45723d578c2ed612c4c7ff3d9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-28 04:44:20,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:20,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:20,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:20,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:20,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:20,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:20,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:20,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:20,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:20,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:20,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:20,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:20,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:20,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:20,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:20,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:20,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:20,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:20,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:20,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:20,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:20,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:20,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:20,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:20,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:20,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:20,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:20,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:20,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:20,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:20,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:20,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:20,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:20,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:20,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:20,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:20,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:20,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:20,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:20,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:20,651 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:20,675 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:20,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:20,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:20,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:20,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:20,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:20,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:20,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:20,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:20,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:20,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:20,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:20,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:20,680 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:20,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:20,681 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:20,681 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:20,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:20,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:20,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:20,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:20,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:20,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:20,683 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:20,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:20,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:20,684 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_e1f3113b-039c-421e-8ca7-058c63eda9ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf7149ba5f2c2b45723d578c2ed612c4c7ff3d9 [2020-11-28 04:44:20,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:20,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:20,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:20,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:20,952 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:20,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2020-11-28 04:44:21,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/data/dd55c45b4/9fa5e96765404c84ba180cc5710276f7/FLAG5aefcee53 [2020-11-28 04:44:21,600 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:21,600 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2020-11-28 04:44:21,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/data/dd55c45b4/9fa5e96765404c84ba180cc5710276f7/FLAG5aefcee53 [2020-11-28 04:44:21,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/data/dd55c45b4/9fa5e96765404c84ba180cc5710276f7 [2020-11-28 04:44:21,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:21,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:21,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:21,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:21,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:21,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:21" (1/1) ... [2020-11-28 04:44:21,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b6a4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:21, skipping insertion in model container [2020-11-28 04:44:21,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:21" (1/1) ... [2020-11-28 04:44:21,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:21,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:22,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,314 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:22,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,482 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:22,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22 WrapperNode [2020-11-28 04:44:22,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:22,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:22,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:22,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:22,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:22,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:22,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:22,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/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 [2020-11-28 04:44:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:44:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:44:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:44:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:44:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:44:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:44:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:24,202 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:24,202 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-28 04:44:24,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:24 BoogieIcfgContainer [2020-11-28 04:44:24,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:24,206 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:24,206 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:24,216 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:24,216 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:24" (1/1) ... [2020-11-28 04:44:24,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 97 transitions. [2020-11-28 04:44:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2020-11-28 04:44:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:24,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2020-11-28 04:44:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2020-11-28 04:44:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:24,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2020-11-28 04:44:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2020-11-28 04:44:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:24,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2020-11-28 04:44:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2020-11-28 04:44:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:25,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2020-11-28 04:44:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2020-11-28 04:44:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:25,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2020-11-28 04:44:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2020-11-28 04:44:25,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:25,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:25,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2020-11-28 04:44:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2020-11-28 04:44:25,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:25,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2020-11-28 04:44:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2020-11-28 04:44:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:26,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 104 states and 161 transitions. [2020-11-28 04:44:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 161 transitions. [2020-11-28 04:44:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:44:26,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 189 transitions. [2020-11-28 04:44:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2020-11-28 04:44:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:26,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 117 states and 191 transitions. [2020-11-28 04:44:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 191 transitions. [2020-11-28 04:44:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:26,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2020-11-28 04:44:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2020-11-28 04:44:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:44:27,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2020-11-28 04:44:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2020-11-28 04:44:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:28,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 135 states and 227 transitions. [2020-11-28 04:44:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2020-11-28 04:44:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:28,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 233 transitions. [2020-11-28 04:44:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2020-11-28 04:44:28,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:28,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 142 states and 241 transitions. [2020-11-28 04:44:28,672 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2020-11-28 04:44:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:44:28,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 159 states and 286 transitions. [2020-11-28 04:44:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 286 transitions. [2020-11-28 04:44:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:44:31,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 159 states and 284 transitions. [2020-11-28 04:44:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 284 transitions. [2020-11-28 04:44:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:44:32,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 160 states and 285 transitions. [2020-11-28 04:44:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 285 transitions. [2020-11-28 04:44:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:44:32,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:33,113 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:33,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:33,450 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:33,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:33,608 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2020-11-28 04:44:33,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:33 ImpRootNode [2020-11-28 04:44:33,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:33,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:33,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:33,877 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:33,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:24" (3/4) ... [2020-11-28 04:44:33,889 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:44:34,053 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1f3113b-039c-421e-8ca7-058c63eda9ef/bin/ukojak/witness.graphml [2020-11-28 04:44:34,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:34,057 INFO L168 Benchmark]: Toolchain (without parser) took 12150.97 ms. Allocated memory was 88.1 MB in the beginning and 237.0 MB in the end (delta: 148.9 MB). Free memory was 55.4 MB in the beginning and 153.5 MB in the end (delta: -98.0 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:34,057 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 44.7 MB in the beginning and 44.6 MB in the end (delta: 40.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:34,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.40 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 55.1 MB in the beginning and 78.7 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:34,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.42 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 76.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:34,059 INFO L168 Benchmark]: Boogie Preprocessor took 67.17 ms. Allocated memory is still 113.2 MB. Free memory was 76.2 MB in the beginning and 74.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:34,060 INFO L168 Benchmark]: RCFGBuilder took 1568.67 ms. Allocated memory is still 113.2 MB. Free memory was 74.2 MB in the beginning and 61.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:34,060 INFO L168 Benchmark]: CodeCheck took 9670.33 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 60.7 MB in the beginning and 169.2 MB in the end (delta: -108.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:34,061 INFO L168 Benchmark]: Witness Printer took 178.55 ms. Allocated memory is still 237.0 MB. Free memory was 169.2 MB in the beginning and 153.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:34,063 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 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.3s, OverallIterations: 19, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5989412 SDtfs, 1902328 SDslu, 2991364 SDs, 0 SdLazy, 2082864 SolverSat, 651088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4513 GetRequests, 4335 SyntacticMatches, 66 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10130 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 527 NumberOfCodeBlocks, 527 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 471 ConstructedInterpolants, 0 QuantifiedInterpolants, 32897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 4/4 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: [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L401] int waterLevel = 1; [L402] int methaneLevelCritical = 0; [L513] int cleanupTimeShifts = 4; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L586] int retValue_acc ; [L587] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L593] tmp = valid_product() [L595] COND TRUE \read(tmp) [L86] int splverifierCounter ; [L87] int tmp ; [L88] int tmp___0 ; [L89] int tmp___1 ; [L90] int tmp___2 ; [L93] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L95] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L97] COND TRUE splverifierCounter < 4 [L103] tmp = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L107] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L419] COND TRUE waterLevel < 2 [L420] waterLevel = waterLevel + 1 [L107] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] tmp___0 = __VERIFIER_nondet_int() [L115] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L431] COND FALSE !(\read(methaneLevelCritical)) [L434] methaneLevelCritical = 1 [L117] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L123] tmp___2 = __VERIFIER_nondet_int() [L125] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L140] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L169] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L176] COND TRUE \read(systemActive) [L250] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L253] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L268] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L224] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L227] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L242] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L198] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L201] COND TRUE ! pumpRunning [L347] int retValue_acc ; [L348] int tmp ; [L349] int tmp___0 ; [L481] int retValue_acc ; [L484] COND FALSE !(waterLevel < 2) [L488] retValue_acc = 0 [L489] return (retValue_acc); [L353] tmp = isHighWaterSensorDry() [L355] COND FALSE !(\read(tmp)) [L358] tmp___0 = 1 [L360] retValue_acc = tmp___0 [L361] return (retValue_acc); [L203] tmp = isHighWaterLevel() [L205] COND TRUE \read(tmp) [L278] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L242] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L268] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L610] int tmp ; [L611] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L615] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L440] int retValue_acc ; [L443] retValue_acc = methaneLevelCritical [L444] return (retValue_acc); [L615] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L615] tmp = isMethaneLevelCritical() [L617] COND TRUE \read(tmp) [L302] int retValue_acc ; [L305] retValue_acc = pumpRunning [L306] return (retValue_acc); [L619] tmp___0 = isPumpRunning() [L621] 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] [L3] __assert_fail("0", "minepump_spec1_product55.cil.c", 3, "reach_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 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 44.7 MB in the beginning and 44.6 MB in the end (delta: 40.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.40 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 55.1 MB in the beginning and 78.7 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.42 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 76.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.17 ms. Allocated memory is still 113.2 MB. Free memory was 76.2 MB in the beginning and 74.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1568.67 ms. Allocated memory is still 113.2 MB. Free memory was 74.2 MB in the beginning and 61.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * CodeCheck took 9670.33 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 60.7 MB in the beginning and 169.2 MB in the end (delta: -108.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Witness Printer took 178.55 ms. Allocated memory is still 237.0 MB. Free memory was 169.2 MB in the beginning and 153.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...