./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/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_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/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_124e4564-5d3b-45b7-b330-0246c4c5b8e6/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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- 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 16:29:28,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:28,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:28,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:28,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:28,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:28,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:28,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:28,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:28,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:28,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:28,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:28,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:28,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:28,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:28,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:28,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:28,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:28,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:28,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:28,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:28,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:28,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:28,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:28,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:28,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:28,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:28,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:28,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:28,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:28,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:28,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:28,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:28,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:28,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:28,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:28,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:28,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:28,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:28,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:28,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:28,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:28,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:28,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:28,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:28,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:28,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:28,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:28,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:28,683 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:28,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:28,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:28,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:28,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:28,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:28,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:28,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:28,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:28,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:28,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:28,687 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:28,687 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:28,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:28,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:28,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:28,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:28,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:28,688 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:28,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:28,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:28,696 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_124e4564-5d3b-45b7-b330-0246c4c5b8e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2022-10-17 16:29:29,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:29,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:29,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:29,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:29,034 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:29,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-10-17 16:29:29,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/data/b6b676559/714e416303ea499ca9fdb23ff08253fd/FLAG52d185403 [2022-10-17 16:29:29,757 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:29,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-10-17 16:29:29,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/data/b6b676559/714e416303ea499ca9fdb23ff08253fd/FLAG52d185403 [2022-10-17 16:29:30,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/data/b6b676559/714e416303ea499ca9fdb23ff08253fd [2022-10-17 16:29:30,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:30,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:30,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:30,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:30,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:30,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc5d73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30, skipping insertion in model container [2022-10-17 16:29:30,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:30,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:30,378 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_124e4564-5d3b-45b7-b330-0246c4c5b8e6/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2022-10-17 16:29:30,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:30,422 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:30,522 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_124e4564-5d3b-45b7-b330-0246c4c5b8e6/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2022-10-17 16:29:30,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:30,575 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:30,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30 WrapperNode [2022-10-17 16:29:30,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:30,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:30,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:30,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:30,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,654 INFO L138 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 192 [2022-10-17 16:29:30,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:30,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:30,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:30,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:30,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,689 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:30,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:30,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:30,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:30,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:30" (1/1) ... [2022-10-17 16:29:30,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:30,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:30,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:30,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:29:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:29:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:29:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:29:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:29:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:29:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:29:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:29:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:29:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:29:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:29:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:29:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:29:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:29:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:30,841 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:30,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:31,377 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:31,486 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:31,487 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:29:31,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:31 BoogieIcfgContainer [2022-10-17 16:29:31,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:31,491 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:31,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:31,502 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:31,502 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:31" (1/1) ... [2022-10-17 16:29:31,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2022-10-17 16:29:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-10-17 16:29:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:29:31,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,950 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 16:29:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2022-10-17 16:29:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-10-17 16:29:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:31,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,136 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 16:29:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2022-10-17 16:29:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-10-17 16:29:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:29:32,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,350 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 16:29:32,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2022-10-17 16:29:32,491 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2022-10-17 16:29:32,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:29:32,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,583 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 16:29:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2022-10-17 16:29:32,601 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2022-10-17 16:29:32,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:29:32,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,753 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 16:29:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2022-10-17 16:29:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2022-10-17 16:29:32,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:29:32,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,942 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 16:29:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2022-10-17 16:29:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2022-10-17 16:29:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:29:33,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:33,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:33,592 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 16:29:33,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2022-10-17 16:29:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2022-10-17 16:29:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:29:33,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:33,866 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 16:29:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 101 states and 151 transitions. [2022-10-17 16:29:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2022-10-17 16:29:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:29:34,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:34,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:34,968 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 16:29:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 102 states and 152 transitions. [2022-10-17 16:29:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2022-10-17 16:29:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:29:35,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:35,091 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 16:29:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 107 states and 161 transitions. [2022-10-17 16:29:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2022-10-17 16:29:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:29:35,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:35,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:35,322 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 16:29:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 170 transitions. [2022-10-17 16:29:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2022-10-17 16:29:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:29:35,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:35,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:35,539 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 16:29:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 113 states and 171 transitions. [2022-10-17 16:29:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2022-10-17 16:29:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:29:35,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:35,884 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 16:29:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 116 states and 178 transitions. [2022-10-17 16:29:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2022-10-17 16:29:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:36,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:36,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:36,699 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 16:29:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 184 transitions. [2022-10-17 16:29:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2022-10-17 16:29:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:29:36,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:36,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:29:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 200 transitions. [2022-10-17 16:29:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2022-10-17 16:29:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:29:38,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:38,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:29:39,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:39,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 139 states and 225 transitions. [2022-10-17 16:29:39,382 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 225 transitions. [2022-10-17 16:29:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:29:39,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:39,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:29:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 226 transitions. [2022-10-17 16:29:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 226 transitions. [2022-10-17 16:29:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:29:39,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:39,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:29:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 143 states and 231 transitions. [2022-10-17 16:29:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 231 transitions. [2022-10-17 16:29:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:29:39,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:39,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:29:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 144 states and 232 transitions. [2022-10-17 16:29:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2022-10-17 16:29:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:29:39,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:29:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 51 states and 61 transitions. [2022-10-17 16:29:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-10-17 16:29:39,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:29:39,935 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-10-17 16:29:39,947 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:29:40,170 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,174 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 16:29:40,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,179 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:29:40,180 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,180 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:29:40,181 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,181 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,181 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,181 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,181 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,181 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,182 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:40,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:29:40 ImpRootNode [2022-10-17 16:29:40,182 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:29:40,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:29:40,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:29:40,183 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:29:40,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:31" (3/4) ... [2022-10-17 16:29:40,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:29:40,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:29:40,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:29:40,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:29:40,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:29:40,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:29:40,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:29:40,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 16:29:40,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2022-10-17 16:29:40,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-10-17 16:29:40,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:29:40,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:29:40,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:29:40,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:29:40,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:29:40,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2022-10-17 16:29:40,329 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:29:40,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:29:40,330 INFO L158 Benchmark]: Toolchain (without parser) took 10321.76ms. Allocated memory was 109.1MB in the beginning and 180.4MB in the end (delta: 71.3MB). Free memory was 66.5MB in the beginning and 90.7MB in the end (delta: -24.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-10-17 16:29:40,330 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:40,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.21ms. Allocated memory is still 109.1MB. Free memory was 66.3MB in the beginning and 74.6MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:29:40,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.79ms. Allocated memory is still 109.1MB. Free memory was 74.6MB in the beginning and 72.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:40,331 INFO L158 Benchmark]: Boogie Preprocessor took 38.11ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:40,331 INFO L158 Benchmark]: RCFGBuilder took 796.17ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 45.9MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 16:29:40,332 INFO L158 Benchmark]: CodeCheck took 8691.40ms. Allocated memory was 109.1MB in the beginning and 180.4MB in the end (delta: 71.3MB). Free memory was 45.9MB in the beginning and 94.9MB in the end (delta: -49.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-10-17 16:29:40,332 INFO L158 Benchmark]: Witness Printer took 146.23ms. Allocated memory is still 180.4MB. Free memory was 94.9MB in the beginning and 90.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:29:40,335 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4086 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1670 mSDsluCounter, 3716 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2683 mSDsCounter, 1240 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4608 IncrementalHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1240 mSolverCounterUnsat, 1479 mSDtfsCounter, 4608 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6969 GetRequests, 6823 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8019 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 791 NumberOfCodeBlocks, 791 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 771 ConstructedInterpolants, 0 QuantifiedInterpolants, 1425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 242/252 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: 506]: 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: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.21ms. Allocated memory is still 109.1MB. Free memory was 66.3MB in the beginning and 74.6MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.79ms. Allocated memory is still 109.1MB. Free memory was 74.6MB in the beginning and 72.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.11ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.17ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 45.9MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 8691.40ms. Allocated memory was 109.1MB in the beginning and 180.4MB in the end (delta: 71.3MB). Free memory was 45.9MB in the beginning and 94.9MB in the end (delta: -49.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 146.23ms. Allocated memory is still 180.4MB. Free memory was 94.9MB in the beginning and 90.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:29:40,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124e4564-5d3b-45b7-b330-0246c4c5b8e6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE