./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/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 0.2.0-69874e2 [2020-12-01 17:28:51,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:28:51,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:28:51,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:28:51,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:28:51,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:28:51,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:28:51,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:28:51,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:28:51,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:28:51,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:28:51,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:28:51,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:28:51,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:28:51,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:28:51,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:28:51,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:28:51,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:28:51,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:28:51,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:28:51,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:28:51,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:28:51,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:28:51,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:28:51,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:28:51,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:28:51,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:28:51,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:28:51,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:28:51,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:28:51,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:28:51,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:28:51,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:28:51,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:28:51,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:28:51,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:28:51,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:28:51,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:28:51,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:28:51,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:28:51,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:28:51,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:28:51,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:28:51,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:28:51,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:28:51,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:28:51,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:28:51,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:28:51,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:28:51,849 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:28:51,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:28:51,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:28:51,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:28:51,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:28:51,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:28:51,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:28:51,852 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:28:51,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:28:51,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:28:51,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:28:51,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:28:51,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:28:51,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:28:51,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:28:51,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:28:51,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:28:51,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:28:51,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:28:51,856 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:28:51,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:28:51,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:28:51,857 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_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3219ef411dc22888fa71dd9e88c133c38c4dd29d [2020-12-01 17:28:52,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:28:52,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:28:52,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:28:52,145 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:28:52,147 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:28:52,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2020-12-01 17:28:52,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/data/dab779da1/e7041ea508c34f71a2214abe69cedfc2/FLAGb19eda611 [2020-12-01 17:28:52,855 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:28:52,855 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2020-12-01 17:28:52,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/data/dab779da1/e7041ea508c34f71a2214abe69cedfc2/FLAGb19eda611 [2020-12-01 17:28:53,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/data/dab779da1/e7041ea508c34f71a2214abe69cedfc2 [2020-12-01 17:28:53,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:28:53,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:28:53,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:28:53,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:28:53,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:28:53,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3817f726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53, skipping insertion in model container [2020-12-01 17:28:53,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:28:53,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:28:53,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:28:53,528 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:28:53,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:28:53,712 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:28:53,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53 WrapperNode [2020-12-01 17:28:53,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:28:53,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:28:53,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:28:53,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:28:53,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:28:53,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:28:53,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:28:53,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:28:53,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... [2020-12-01 17:28:53,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:28:53,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:28:53,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:28:53,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:28:53,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:28:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/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 [2020-12-01 17:28:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:28:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:28:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:28:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:28:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:28:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:28:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:28:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:28:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:28:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 17:28:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 17:28:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:28:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:28:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:28:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:28:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:28:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:28:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:28:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:28:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:28:55,495 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:28:55,495 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 17:28:55,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:55 BoogieIcfgContainer [2020-12-01 17:28:55,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:28:55,499 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:28:55,499 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:28:55,510 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:28:55,511 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:55" (1/1) ... [2020-12-01 17:28:55,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:28:55,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2020-12-01 17:28:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-12-01 17:28:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:28:55,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:55,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-12-01 17:28:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-12-01 17:28:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:28:55,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2020-12-01 17:28:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2020-12-01 17:28:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:28:56,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2020-12-01 17:28:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2020-12-01 17:28:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:28:56,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2020-12-01 17:28:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-12-01 17:28:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:28:56,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2020-12-01 17:28:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-12-01 17:28:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:28:56,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2020-12-01 17:28:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2020-12-01 17:28:57,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:28:57,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 131 transitions. [2020-12-01 17:28:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2020-12-01 17:28:57,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:28:57,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2020-12-01 17:28:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2020-12-01 17:28:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:28:58,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 118 states and 212 transitions. [2020-12-01 17:28:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 212 transitions. [2020-12-01 17:28:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:28:59,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 121 states and 220 transitions. [2020-12-01 17:28:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 220 transitions. [2020-12-01 17:28:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:28:59,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 122 states and 221 transitions. [2020-12-01 17:28:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2020-12-01 17:28:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:28:59,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:28:59,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2020-12-01 17:28:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2020-12-01 17:28:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:28:59,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 134 states and 245 transitions. [2020-12-01 17:29:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2020-12-01 17:29:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:29:00,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 136 states and 250 transitions. [2020-12-01 17:29:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2020-12-01 17:29:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:29:01,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 138 states and 256 transitions. [2020-12-01 17:29:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 256 transitions. [2020-12-01 17:29:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:29:01,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 139 states and 257 transitions. [2020-12-01 17:29:02,152 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 257 transitions. [2020-12-01 17:29:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:29:02,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 265 transitions. [2020-12-01 17:29:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 265 transitions. [2020-12-01 17:29:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:29:02,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 143 states and 266 transitions. [2020-12-01 17:29:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 266 transitions. [2020-12-01 17:29:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:29:02,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:02,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 146 states and 272 transitions. [2020-12-01 17:29:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 272 transitions. [2020-12-01 17:29:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:29:02,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:02,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 147 states and 273 transitions. [2020-12-01 17:29:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2020-12-01 17:29:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:29:02,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 153 states and 283 transitions. [2020-12-01 17:29:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 283 transitions. [2020-12-01 17:29:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:29:03,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 154 states and 284 transitions. [2020-12-01 17:29:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 284 transitions. [2020-12-01 17:29:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:29:03,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 159 states and 293 transitions. [2020-12-01 17:29:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 293 transitions. [2020-12-01 17:29:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:29:03,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:29:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 159 states and 291 transitions. [2020-12-01 17:29:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions. [2020-12-01 17:29:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:29:04,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:29:04,291 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:29:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:29:04,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:29:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:29:04,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:29:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:29:04,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:29:06,013 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2020-12-01 17:29:06,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:29:06 ImpRootNode [2020-12-01 17:29:06,171 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:29:06,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:29:06,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:29:06,172 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:29:06,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:55" (3/4) ... [2020-12-01 17:29:06,186 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:29:06,338 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5f70cf51-5cc5-4600-87a7-e2f00d0e5d74/bin/ukojak/witness.graphml [2020-12-01 17:29:06,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:29:06,340 INFO L168 Benchmark]: Toolchain (without parser) took 13200.45 ms. Allocated memory was 77.6 MB in the beginning and 176.2 MB in the end (delta: 98.6 MB). Free memory was 45.8 MB in the beginning and 79.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:29:06,340 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:29:06,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.29 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 45.6 MB in the beginning and 67.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:29:06,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.94 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 64.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:29:06,342 INFO L168 Benchmark]: Boogie Preprocessor took 70.94 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 62.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:29:06,343 INFO L168 Benchmark]: RCFGBuilder took 1617.57 ms. Allocated memory is still 100.7 MB. Free memory was 62.8 MB in the beginning and 37.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:29:06,343 INFO L168 Benchmark]: CodeCheck took 10672.64 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 37.4 MB in the beginning and 92.2 MB in the end (delta: -54.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:29:06,344 INFO L168 Benchmark]: Witness Printer took 166.16 ms. Allocated memory is still 176.2 MB. Free memory was 92.2 MB in the beginning and 79.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:29:06,346 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: 10.4s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 368222436 SDtfs, 127889188 SDslu, 203991604 SDs, 0 SdLazy, 145564314 SolverSat, 43480198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6071 GetRequests, 5911 SyntacticMatches, 24 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7134 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 608 ConstructedInterpolants, 0 QuantifiedInterpolants, 42867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.29 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 45.6 MB in the beginning and 67.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.94 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 64.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.94 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 62.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1617.57 ms. Allocated memory is still 100.7 MB. Free memory was 62.8 MB in the beginning and 37.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * CodeCheck took 10672.64 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 37.4 MB in the beginning and 92.2 MB in the end (delta: -54.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * Witness Printer took 166.16 ms. Allocated memory is still 176.2 MB. Free memory was 92.2 MB in the beginning and 79.6 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...