./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.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_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/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 3219ef411dc22888fa71dd9e88c133c38c4dd29d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:38:33,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:33,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:33,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:33,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:33,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:33,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:33,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:33,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:33,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:33,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:33,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:33,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:33,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:33,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:33,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:33,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:33,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:33,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:33,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:33,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:33,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:33,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:33,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:33,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:33,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:33,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:33,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:33,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:33,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:33,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:33,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:33,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:33,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:33,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:33,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:33,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:33,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:33,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:33,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:33,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:33,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:38:33,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:33,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:33,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:33,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:33,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:33,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:33,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:33,729 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:33,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:33,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:33,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:33,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:33,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:33,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:33,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:33,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:33,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:33,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:33,731 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:33,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:33,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:33,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:33,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:33,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:33,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:33,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:33,733 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:33,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:33,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:33,734 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_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3219ef411dc22888fa71dd9e88c133c38c4dd29d [2020-11-28 04:38:34,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:34,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:34,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:34,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:34,065 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:34,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2020-11-28 04:38:34,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/data/a00d3f3a4/da12b93f79134815aeae1987caef72f2/FLAG3643fb409 [2020-11-28 04:38:34,676 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:34,676 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2020-11-28 04:38:34,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/data/a00d3f3a4/da12b93f79134815aeae1987caef72f2/FLAG3643fb409 [2020-11-28 04:38:34,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/data/a00d3f3a4/da12b93f79134815aeae1987caef72f2 [2020-11-28 04:38:34,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:34,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:34,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:34,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:34,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:34,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:34" (1/1) ... [2020-11-28 04:38:34,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce1e9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:34, skipping insertion in model container [2020-11-28 04:38:34,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:34" (1/1) ... [2020-11-28 04:38:35,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:35,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:35,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:35,502 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:35,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:35,651 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:35,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35 WrapperNode [2020-11-28 04:38:35,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:35,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:35,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:35,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:35,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:35,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:35,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:35,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:35,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... [2020-11-28 04:38:35,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:35,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:35,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:35,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:35,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/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 04:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:38:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:38:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:38:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:38:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:38:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:38:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:38:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:38:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:38:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:38:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:38:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:38:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:38:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:38:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:38:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:37,172 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:37,172 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 04:38:37,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:37 BoogieIcfgContainer [2020-11-28 04:38:37,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:37,175 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:37,176 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:37,187 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:37,187 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:37" (1/1) ... [2020-11-28 04:38:37,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2020-11-28 04:38:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-11-28 04:38:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:38:37,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:37,517 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 04:38:37,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-11-28 04:38:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-11-28 04:38:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:38:37,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:37,693 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 04:38:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2020-11-28 04:38:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2020-11-28 04:38:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:38:37,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:37,854 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 04:38:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2020-11-28 04:38:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2020-11-28 04:38:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:38:38,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:38,137 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 04:38:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2020-11-28 04:38:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-11-28 04:38:38,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:38:38,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:38,238 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 04:38:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2020-11-28 04:38:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-28 04:38:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:38:38,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:38,319 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 04:38:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2020-11-28 04:38:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-11-28 04:38:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:38:38,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:38,474 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 04:38:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2020-11-28 04:38:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2020-11-28 04:38:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:38:39,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:39,258 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 04:38:39,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2020-11-28 04:38:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2020-11-28 04:38:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:38:39,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:40,227 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 04:38:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 118 states and 212 transitions. [2020-11-28 04:38:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 212 transitions. [2020-11-28 04:38:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:38:41,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:41,343 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 04:38:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 132 states and 241 transitions. [2020-11-28 04:38:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 241 transitions. [2020-11-28 04:38:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:38:42,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:42,175 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 04:38:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 134 states and 243 transitions. [2020-11-28 04:38:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 243 transitions. [2020-11-28 04:38:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:38:42,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:42,392 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 04:38:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 137 states and 248 transitions. [2020-11-28 04:38:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 248 transitions. [2020-11-28 04:38:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:38:42,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:42,541 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 04:38:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 256 transitions. [2020-11-28 04:38:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 256 transitions. [2020-11-28 04:38:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:38:42,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:42,932 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 04:38:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 142 states and 261 transitions. [2020-11-28 04:38:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2020-11-28 04:38:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:38:43,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:43,556 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 04:38:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 147 states and 269 transitions. [2020-11-28 04:38:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 269 transitions. [2020-11-28 04:38:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:38:43,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:44,062 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 04:38:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 147 states and 267 transitions. [2020-11-28 04:38:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 267 transitions. [2020-11-28 04:38:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:38:44,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:44,645 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 04:38:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 149 states and 273 transitions. [2020-11-28 04:38:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2020-11-28 04:38:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:38:45,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:45,121 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 04:38:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 274 transitions. [2020-11-28 04:38:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2020-11-28 04:38:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:38:45,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:45,180 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 04:38:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 151 states and 277 transitions. [2020-11-28 04:38:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2020-11-28 04:38:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:38:45,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:45,300 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 04:38:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 153 states and 280 transitions. [2020-11-28 04:38:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 280 transitions. [2020-11-28 04:38:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:38:45,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:45,517 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 04:38:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 159 states and 289 transitions. [2020-11-28 04:38:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 289 transitions. [2020-11-28 04:38:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:38:45,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:45,894 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 04:38:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 160 states and 290 transitions. [2020-11-28 04:38:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 290 transitions. [2020-11-28 04:38:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:38:45,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:45,976 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 04:38:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 163 states and 298 transitions. [2020-11-28 04:38:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2020-11-28 04:38:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:38:46,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:46,318 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:46,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:46,598 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:46,708 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:46,857 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2020-11-28 04:38:47,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:47 ImpRootNode [2020-11-28 04:38:47,069 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:47,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:47,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:47,070 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:47,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:37" (3/4) ... [2020-11-28 04:38:47,073 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:38:47,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_de14c3ad-8afb-4064-99f3-1fc0c7b4b955/bin/ukojak/witness.graphml [2020-11-28 04:38:47,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:47,290 INFO L168 Benchmark]: Toolchain (without parser) took 12301.22 ms. Allocated memory was 88.1 MB in the beginning and 205.5 MB in the end (delta: 117.4 MB). Free memory was 54.3 MB in the beginning and 147.0 MB in the end (delta: -92.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:47,291 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 53.3 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:47,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.66 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 54.5 MB in the end (delta: -381.6 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:47,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.73 ms. Allocated memory is still 88.1 MB. Free memory was 54.5 MB in the beginning and 51.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:47,292 INFO L168 Benchmark]: Boogie Preprocessor took 34.75 ms. Allocated memory is still 88.1 MB. Free memory was 51.8 MB in the beginning and 50.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:47,293 INFO L168 Benchmark]: RCFGBuilder took 1419.87 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.0 MB in the beginning and 58.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:47,296 INFO L168 Benchmark]: CodeCheck took 9894.18 ms. Allocated memory was 107.0 MB in the beginning and 205.5 MB in the end (delta: 98.6 MB). Free memory was 58.0 MB in the beginning and 159.5 MB in the end (delta: -101.6 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:47,297 INFO L168 Benchmark]: Witness Printer took 217.93 ms. Allocated memory is still 205.5 MB. Free memory was 159.5 MB in the beginning and 147.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:47,301 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 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.6s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 183325264 SDtfs, 62394748 SDslu, 99380284 SDs, 0 SdLazy, 70036262 SolverSat, 21419486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5933 GetRequests, 5766 SyntacticMatches, 31 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7130 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 643 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 44684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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: [L123] int pumpRunning = 0; [L124] int systemActive = 1; [L505] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int cleanupTimeShifts = 4; [L872] int waterLevel = 1; [L873] int methaneLevelCritical = 0; [L848] int retValue_acc ; [L849] int tmp ; [L740] int retValue_acc ; [L743] retValue_acc = 1 [L744] return (retValue_acc); [L855] tmp = valid_product() [L857] COND TRUE \read(tmp) [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L59] COND TRUE splverifierCounter < 4 [L65] tmp = __VERIFIER_nondet_int() [L67] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] COND TRUE waterLevel < 2 [L891] waterLevel = waterLevel + 1 [L69] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L79] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L902] COND FALSE !(\read(methaneLevelCritical)) [L905] methaneLevelCritical = 1 [L79] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L102] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L131] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND TRUE \read(systemActive) [L186] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L189] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L204] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L160] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L163] COND TRUE ! pumpRunning [L283] int retValue_acc ; [L284] int tmp ; [L285] int tmp___0 ; [L952] int retValue_acc ; [L955] COND FALSE !(waterLevel < 2) [L959] retValue_acc = 0 [L960] return (retValue_acc); [L289] tmp = isHighWaterSensorDry() [L291] COND FALSE !(\read(tmp)) [L294] tmp___0 = 1 [L296] retValue_acc = tmp___0 [L297] return (retValue_acc); [L165] tmp = isHighWaterLevel() [L167] COND TRUE \read(tmp) [L214] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L204] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L750] int tmp ; [L751] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L755] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L911] int retValue_acc ; [L914] retValue_acc = methaneLevelCritical [L915] return (retValue_acc); [L755] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L755] tmp = isMethaneLevelCritical() [L757] COND TRUE \read(tmp) [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); [L759] tmp___0 = isPumpRunning() [L761] 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_product51.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 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 53.3 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.66 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 54.5 MB in the end (delta: -381.6 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.73 ms. Allocated memory is still 88.1 MB. Free memory was 54.5 MB in the beginning and 51.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.75 ms. Allocated memory is still 88.1 MB. Free memory was 51.8 MB in the beginning and 50.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1419.87 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.0 MB in the beginning and 58.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * CodeCheck took 9894.18 ms. Allocated memory was 107.0 MB in the beginning and 205.5 MB in the end (delta: 98.6 MB). Free memory was 58.0 MB in the beginning and 159.5 MB in the end (delta: -101.6 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. * Witness Printer took 217.93 ms. Allocated memory is still 205.5 MB. Free memory was 159.5 MB in the beginning and 147.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...