./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ --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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:45:22,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:45:22,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:45:22,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:45:22,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:45:22,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:45:22,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:45:22,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:45:22,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:45:22,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:45:22,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:45:22,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:45:22,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:45:22,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:45:22,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:45:22,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:45:22,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:45:22,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:45:22,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:45:22,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:45:22,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:45:22,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:45:22,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:45:22,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:45:22,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:45:22,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:45:22,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:45:22,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:45:22,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:45:22,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:45:22,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:45:22,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:45:22,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:45:22,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:45:22,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:45:22,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:45:22,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:45:22,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:45:22,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:45:22,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:45:22,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:45:22,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:45:22,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:45:22,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:45:22,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:45:22,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:45:22,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:45:22,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:45:22,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:45:22,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:45:22,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:45:22,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:45:22,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:45:22,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:45:22,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:45:22,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:45:22,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:45:22,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:45:22,830 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:45:22,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:45:22,831 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:45:22,832 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:45:22,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:45:22,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:22,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:45:22,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:45:22,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:45:22,833 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:45:22,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:45:22,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:45:22,833 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_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2021-11-23 01:45:23,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:45:23,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:45:23,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:45:23,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:45:23,197 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:45:23,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-11-23 01:45:23,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/data/28800d0ae/a6c5ca43474e4471bd3561d50d3b60b8/FLAG55b5343ee [2021-11-23 01:45:23,757 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:45:23,762 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-11-23 01:45:23,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/data/28800d0ae/a6c5ca43474e4471bd3561d50d3b60b8/FLAG55b5343ee [2021-11-23 01:45:24,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/data/28800d0ae/a6c5ca43474e4471bd3561d50d3b60b8 [2021-11-23 01:45:24,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:45:24,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:45:24,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:24,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:45:24,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:45:24,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35aadaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24, skipping insertion in model container [2021-11-23 01:45:24,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:45:24,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:45:24,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-11-23 01:45:24,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:24,545 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:45:24,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-11-23 01:45:24,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:24,689 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:45:24,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24 WrapperNode [2021-11-23 01:45:24,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:24,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:24,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:45:24,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:45:24,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,788 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 239 [2021-11-23 01:45:24,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:24,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:45:24,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:45:24,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:45:24,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:45:24,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:45:24,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:45:24,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:45:24,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:24" (1/1) ... [2021-11-23 01:45:24,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:24,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:45:24,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:45:24,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:45:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:45:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:45:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:45:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:45:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:45:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:45:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:45:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:45:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 01:45:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 01:45:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 01:45:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 01:45:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:45:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:45:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:45:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:45:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:45:25,036 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:45:25,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:45:25,399 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:45:25,497 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:45:25,502 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:45:25,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:25 BoogieIcfgContainer [2021-11-23 01:45:25,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:45:25,507 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:45:25,507 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:45:25,518 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:45:25,518 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:25" (1/1) ... [2021-11-23 01:45:25,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:45:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2021-11-23 01:45:25,591 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2021-11-23 01:45:25,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:45:25,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2021-11-23 01:45:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2021-11-23 01:45:25,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:45:25,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2021-11-23 01:45:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2021-11-23 01:45:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:45:25,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:25,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2021-11-23 01:45:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2021-11-23 01:45:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:45:26,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2021-11-23 01:45:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2021-11-23 01:45:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:45:26,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2021-11-23 01:45:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2021-11-23 01:45:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:45:26,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2021-11-23 01:45:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2021-11-23 01:45:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:45:27,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 92 states and 133 transitions. [2021-11-23 01:45:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2021-11-23 01:45:27,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:45:27,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 102 states and 153 transitions. [2021-11-23 01:45:27,603 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 153 transitions. [2021-11-23 01:45:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:45:27,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 103 states and 154 transitions. [2021-11-23 01:45:27,675 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 154 transitions. [2021-11-23 01:45:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:45:27,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 104 states and 157 transitions. [2021-11-23 01:45:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2021-11-23 01:45:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:45:27,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 117 states and 183 transitions. [2021-11-23 01:45:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 183 transitions. [2021-11-23 01:45:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:45:28,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 119 states and 188 transitions. [2021-11-23 01:45:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 188 transitions. [2021-11-23 01:45:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:45:28,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 182 transitions. [2021-11-23 01:45:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2021-11-23 01:45:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:45:28,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 191 transitions. [2021-11-23 01:45:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2021-11-23 01:45:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:45:29,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 192 transitions. [2021-11-23 01:45:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 192 transitions. [2021-11-23 01:45:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:45:29,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 200 transitions. [2021-11-23 01:45:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2021-11-23 01:45:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:45:30,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:30,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 206 transitions. [2021-11-23 01:45:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 206 transitions. [2021-11-23 01:45:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:45:30,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:45:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 142 states and 234 transitions. [2021-11-23 01:45:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 234 transitions. [2021-11-23 01:45:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:45:31,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:45:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 149 states and 253 transitions. [2021-11-23 01:45:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2021-11-23 01:45:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:45:32,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:32,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:45:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 156 states and 268 transitions. [2021-11-23 01:45:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 268 transitions. [2021-11-23 01:45:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:45:33,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:45:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 157 states and 269 transitions. [2021-11-23 01:45:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 269 transitions. [2021-11-23 01:45:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:45:33,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:45:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 274 transitions. [2021-11-23 01:45:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 274 transitions. [2021-11-23 01:45:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:45:33,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 01:45:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 275 transitions. [2021-11-23 01:45:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 275 transitions. [2021-11-23 01:45:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:45:33,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:45:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 70 states and 85 transitions. [2021-11-23 01:45:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2021-11-23 01:45:33,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:45:33,653 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2021-11-23 01:45:33,663 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:45:33,861 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,866 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,866 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:45:33,871 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,871 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,871 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 01:45:33,872 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,872 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,872 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,872 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:45:33,873 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,873 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,873 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,874 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:45:33,874 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:33,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:45:33 ImpRootNode [2021-11-23 01:45:33,875 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:45:33,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:45:33,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:45:33,876 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:45:33,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:25" (3/4) ... [2021-11-23 01:45:33,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:45:33,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 01:45:33,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:45:33,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:45:33,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:45:33,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:45:33,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:45:33,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:45:33,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 01:45:33,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2021-11-23 01:45:33,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 01:45:33,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:45:33,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:45:33,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:45:33,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:45:33,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:45:33,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2021-11-23 01:45:33,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 01:45:33,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:45:33,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:45:33,975 INFO L158 Benchmark]: Toolchain (without parser) took 9884.49ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 61.5MB in the beginning and 56.4MB in the end (delta: 5.1MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2021-11-23 01:45:33,976 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:45:33,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.75ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 63.7MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:45:33,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.70ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 61.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:45:33,977 INFO L158 Benchmark]: Boogie Preprocessor took 56.73ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:45:33,978 INFO L158 Benchmark]: RCFGBuilder took 658.76ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.6MB in the beginning and 90.3MB in the end (delta: -30.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-23 01:45:33,978 INFO L158 Benchmark]: CodeCheck took 8368.22ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 89.9MB in the beginning and 62.6MB in the end (delta: 27.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-11-23 01:45:33,979 INFO L158 Benchmark]: Witness Printer took 98.82ms. Allocated memory is still 142.6MB. Free memory was 62.6MB in the beginning and 56.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:45:33,981 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, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5783 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2256 mSDsluCounter, 5424 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3748 mSDsCounter, 1719 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6588 IncrementalHoareTripleChecker+Invalid, 8307 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1719 mSolverCounterUnsat, 2206 mSDtfsCounter, 6588 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9497 GetRequests, 9333 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10139 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1030 NumberOfCodeBlocks, 1030 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1006 ConstructedInterpolants, 0 QuantifiedInterpolants, 1863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 279/289 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 - PositiveResult [Line: 660]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.75ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 63.7MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.70ms. Allocated memory is still 96.5MB. Free memory was 63.7MB in the beginning and 61.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.73ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.76ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.6MB in the beginning and 90.3MB in the end (delta: -30.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 8368.22ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 89.9MB in the beginning and 62.6MB in the end (delta: 27.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 98.82ms. Allocated memory is still 142.6MB. Free memory was 62.6MB in the beginning and 56.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:45:34,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a101373d-fb00-4d3d-9da5-c1bdd0d7d662/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE