./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/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_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:50:01,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:01,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:01,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:01,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:01,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:01,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:01,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:01,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:01,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:01,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:01,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:01,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:01,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:01,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:01,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:01,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:01,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:01,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:01,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:01,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:01,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:01,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:01,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:01,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:01,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:01,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:01,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:01,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:01,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:01,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:01,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:01,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:01,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:01,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:01,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:01,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:01,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:01,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:01,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:01,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:01,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:01,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:01,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:01,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:01,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:01,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:01,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:01,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:01,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:01,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:01,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:01,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:01,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:01,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:01,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:01,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:01,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:01,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:01,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:01,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:01,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:01,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:01,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:01,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:01,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:01,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:01,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:01,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:01,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:01,804 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_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2022-10-17 16:50:02,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:02,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:02,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:02,122 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:02,125 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:02,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2022-10-17 16:50:02,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/data/7f15b90de/ff1d3f202c1f44c1bb3f31dd3e2fdd71/FLAG657cdf26b [2022-10-17 16:50:02,717 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:02,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2022-10-17 16:50:02,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/data/7f15b90de/ff1d3f202c1f44c1bb3f31dd3e2fdd71/FLAG657cdf26b [2022-10-17 16:50:03,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/data/7f15b90de/ff1d3f202c1f44c1bb3f31dd3e2fdd71 [2022-10-17 16:50:03,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:03,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:03,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:03,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:03,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:03,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d0b1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03, skipping insertion in model container [2022-10-17 16:50:03,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:03,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:03,495 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_722aecab-ce05-49ff-9bae-cb13f877f570/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2022-10-17 16:50:03,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:03,550 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:03,621 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_722aecab-ce05-49ff-9bae-cb13f877f570/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2022-10-17 16:50:03,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:03,653 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:03,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03 WrapperNode [2022-10-17 16:50:03,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:03,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:03,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:03,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:03,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,711 INFO L138 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 239 [2022-10-17 16:50:03,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:03,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:03,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:03,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:03,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,739 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:03,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:03,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:03,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:03,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:03" (1/1) ... [2022-10-17 16:50:03,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:03,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:03,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:03,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:50:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:50:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:50:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:50:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:50:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 16:50:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 16:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 16:50:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 16:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:50:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:03,957 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:03,960 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:04,399 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:04,573 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:04,579 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:50:04,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:04 BoogieIcfgContainer [2022-10-17 16:50:04,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:04,584 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:04,584 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:04,598 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:04,599 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:04" (1/1) ... [2022-10-17 16:50:04,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2022-10-17 16:50:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-10-17 16:50:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:50:04,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2022-10-17 16:50:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2022-10-17 16:50:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:50:05,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2022-10-17 16:50:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-10-17 16:50:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:50:05,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2022-10-17 16:50:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2022-10-17 16:50:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:50:05,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2022-10-17 16:50:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2022-10-17 16:50:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:50:05,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2022-10-17 16:50:06,095 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2022-10-17 16:50:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:50:06,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:06,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2022-10-17 16:50:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2022-10-17 16:50:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:50:06,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:06,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 101 states and 152 transitions. [2022-10-17 16:50:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2022-10-17 16:50:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:50:07,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:07,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:07,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 102 states and 153 transitions. [2022-10-17 16:50:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 153 transitions. [2022-10-17 16:50:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:50:07,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 116 states and 182 transitions. [2022-10-17 16:50:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 182 transitions. [2022-10-17 16:50:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:50:08,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:08,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:08,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 118 states and 187 transitions. [2022-10-17 16:50:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2022-10-17 16:50:08,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:50:08,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:08,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 119 states and 188 transitions. [2022-10-17 16:50:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 188 transitions. [2022-10-17 16:50:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:50:08,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:09,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 182 transitions. [2022-10-17 16:50:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2022-10-17 16:50:09,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:50:09,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 191 transitions. [2022-10-17 16:50:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2022-10-17 16:50:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:50:09,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 192 transitions. [2022-10-17 16:50:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 192 transitions. [2022-10-17 16:50:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:50:09,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 200 transitions. [2022-10-17 16:50:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2022-10-17 16:50:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:50:10,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 206 transitions. [2022-10-17 16:50:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 206 transitions. [2022-10-17 16:50:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:50:10,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:50:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 142 states and 234 transitions. [2022-10-17 16:50:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 234 transitions. [2022-10-17 16:50:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:50:12,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:50:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 149 states and 253 transitions. [2022-10-17 16:50:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2022-10-17 16:50:13,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:50:13,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:50:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 156 states and 268 transitions. [2022-10-17 16:50:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 268 transitions. [2022-10-17 16:50:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:50:14,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:50:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 157 states and 269 transitions. [2022-10-17 16:50:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 269 transitions. [2022-10-17 16:50:14,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:50:14,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:50:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 274 transitions. [2022-10-17 16:50:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 274 transitions. [2022-10-17 16:50:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:50:14,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-17 16:50:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 275 transitions. [2022-10-17 16:50:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 275 transitions. [2022-10-17 16:50:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:50:14,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:50:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 70 states and 85 transitions. [2022-10-17 16:50:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2022-10-17 16:50:14,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:50:14,676 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2022-10-17 16:50:14,686 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:50:14,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,961 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,962 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 16:50:14,966 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,966 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,967 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 16:50:14,967 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,967 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,967 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,968 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:50:14,969 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,969 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,969 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,969 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:50:14,970 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:14,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:50:14 ImpRootNode [2022-10-17 16:50:14,971 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:50:14,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:50:14,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:50:14,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:50:14,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:04" (3/4) ... [2022-10-17 16:50:14,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:50:14,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 16:50:14,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:50:14,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:50:14,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:50:14,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:50:14,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:50:14,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:50:14,984 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 16:50:14,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2022-10-17 16:50:14,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 16:50:14,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:50:14,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:50:14,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:50:14,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:50:14,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:50:15,028 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2022-10-17 16:50:15,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2022-10-17 16:50:15,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:50:15,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:50:15,076 INFO L158 Benchmark]: Toolchain (without parser) took 12035.91ms. Allocated memory was 136.3MB in the beginning and 251.7MB in the end (delta: 115.3MB). Free memory was 93.6MB in the beginning and 203.9MB in the end (delta: -110.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-10-17 16:50:15,077 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 136.3MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:15,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.92ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 100.0MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:50:15,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.54ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 97.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:15,078 INFO L158 Benchmark]: Boogie Preprocessor took 31.77ms. Allocated memory is still 136.3MB. Free memory was 97.6MB in the beginning and 95.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:15,078 INFO L158 Benchmark]: RCFGBuilder took 838.67ms. Allocated memory is still 136.3MB. Free memory was 95.9MB in the beginning and 68.2MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-10-17 16:50:15,079 INFO L158 Benchmark]: CodeCheck took 10386.98ms. Allocated memory was 136.3MB in the beginning and 251.7MB in the end (delta: 115.3MB). Free memory was 68.2MB in the beginning and 209.1MB in the end (delta: -140.8MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-10-17 16:50:15,083 INFO L158 Benchmark]: Witness Printer took 104.24ms. Allocated memory is still 251.7MB. Free memory was 209.1MB in the beginning and 203.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:15,085 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: 10.1s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5655 SdHoareTripleChecker+Valid, 12.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2237 mSDsluCounter, 5339 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3720 mSDsCounter, 1733 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6586 IncrementalHoareTripleChecker+Invalid, 8319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1733 mSolverCounterUnsat, 2141 mSDtfsCounter, 6586 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9382 GetRequests, 9218 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10123 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1003 NumberOfCodeBlocks, 1003 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 1815 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 274/284 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 0.56ms. Allocated memory is still 136.3MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.92ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 100.0MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.54ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 97.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.77ms. Allocated memory is still 136.3MB. Free memory was 97.6MB in the beginning and 95.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 838.67ms. Allocated memory is still 136.3MB. Free memory was 95.9MB in the beginning and 68.2MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 10386.98ms. Allocated memory was 136.3MB in the beginning and 251.7MB in the end (delta: 115.3MB). Free memory was 68.2MB in the beginning and 209.1MB in the end (delta: -140.8MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Witness Printer took 104.24ms. Allocated memory is still 251.7MB. Free memory was 209.1MB in the beginning and 203.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:50:15,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_722aecab-ce05-49ff-9bae-cb13f877f570/bin/ukojak-92XMlrwhuB/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