./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/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_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/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_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- 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 16:53:47,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:47,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:47,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:47,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:47,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:47,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:47,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:47,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:47,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:47,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:47,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:47,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:47,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:47,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:47,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:47,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:47,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:47,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:47,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:47,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:47,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:47,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:47,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:47,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:47,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:47,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:47,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:47,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:47,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:47,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:47,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:47,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:47,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:47,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:47,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:47,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:47,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:47,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:47,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:47,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:47,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:47,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:47,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:47,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:47,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:47,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:47,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:47,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:47,696 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:47,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:47,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:47,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:47,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:47,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:47,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:47,699 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:47,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:47,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:47,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:47,699 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:47,700 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:47,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:47,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:47,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:47,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:47,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:47,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:47,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:47,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:47,708 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_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2022-10-17 16:53:48,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:48,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:48,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:48,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:48,073 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:48,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-10-17 16:53:48,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/data/f58e2bf18/0bafbb35c1154a018e24844f3a10815f/FLAGe1485e7f2 [2022-10-17 16:53:48,699 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:48,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-10-17 16:53:48,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/data/f58e2bf18/0bafbb35c1154a018e24844f3a10815f/FLAGe1485e7f2 [2022-10-17 16:53:49,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/data/f58e2bf18/0bafbb35c1154a018e24844f3a10815f [2022-10-17 16:53:49,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:49,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:49,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:49,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:49,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:49,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@abc09e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49, skipping insertion in model container [2022-10-17 16:53:49,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:49,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:49,315 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_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2022-10-17 16:53:49,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:49,421 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:49,443 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_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2022-10-17 16:53:49,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:49,530 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:49,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49 WrapperNode [2022-10-17 16:53:49,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:49,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:49,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:49,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:49,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,621 INFO L138 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 203 [2022-10-17 16:53:49,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:49,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:49,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:49,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:49,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,677 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:49,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:49,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:49,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:49,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:49" (1/1) ... [2022-10-17 16:53:49,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:49,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:49,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:53:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:53:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:53:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:53:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:53:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:53:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:53:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:53:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:53:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:53:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:53:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:53:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:53:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:49,853 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:49,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:50,287 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:50,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:50,498 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:53:50,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:50 BoogieIcfgContainer [2022-10-17 16:53:50,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:50,502 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:50,503 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:50,514 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:50,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:50" (1/1) ... [2022-10-17 16:53:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2022-10-17 16:53:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-10-17 16:53:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:53:50,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:50,950 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 16:53:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2022-10-17 16:53:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-10-17 16:53:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:53:51,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,152 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 16:53:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2022-10-17 16:53:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-10-17 16:53:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:53:51,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,547 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 16:53:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2022-10-17 16:53:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-10-17 16:53:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:51,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:51,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,806 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 16:53:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 82 states and 122 transitions. [2022-10-17 16:53:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2022-10-17 16:53:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:52,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:52,342 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 16:53:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions. [2022-10-17 16:53:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2022-10-17 16:53:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:53:53,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:53,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:53,391 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 16:53:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:53,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2022-10-17 16:53:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2022-10-17 16:53:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:53,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:53,595 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 16:53:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 179 transitions. [2022-10-17 16:53:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2022-10-17 16:53:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:53:53,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:53,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:53,779 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 16:53:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 194 transitions. [2022-10-17 16:53:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 194 transitions. [2022-10-17 16:53:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:53:53,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:53,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:54,000 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 16:53:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 114 states and 194 transitions. [2022-10-17 16:53:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2022-10-17 16:53:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:53:54,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:54,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:54,106 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 16:53:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2022-10-17 16:53:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2022-10-17 16:53:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:53:54,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:54,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:54,286 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 16:53:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 127 states and 225 transitions. [2022-10-17 16:53:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 225 transitions. [2022-10-17 16:53:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:55,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:55,154 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 16:53:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 128 states and 226 transitions. [2022-10-17 16:53:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2022-10-17 16:53:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:53:55,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:55,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:55,285 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 16:53:55,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 133 states and 240 transitions. [2022-10-17 16:53:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 240 transitions. [2022-10-17 16:53:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:53:55,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:55,630 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 16:53:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 134 states and 243 transitions. [2022-10-17 16:53:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 243 transitions. [2022-10-17 16:53:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:53:55,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:55,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:55,836 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 16:53:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 135 states and 244 transitions. [2022-10-17 16:53:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 244 transitions. [2022-10-17 16:53:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:53:55,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:55,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:56,229 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 16:53:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 140 states and 260 transitions. [2022-10-17 16:53:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 260 transitions. [2022-10-17 16:53:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:53:57,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:57,440 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 16:53:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 146 states and 276 transitions. [2022-10-17 16:53:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 276 transitions. [2022-10-17 16:53:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:53:58,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:58,174 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 16:53:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 283 transitions. [2022-10-17 16:53:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 283 transitions. [2022-10-17 16:53:58,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:53:58,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:58,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 156 states and 301 transitions. [2022-10-17 16:53:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 301 transitions. [2022-10-17 16:53:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:59,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:59,156 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 16:53:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:59,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 157 states and 302 transitions. [2022-10-17 16:53:59,190 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 302 transitions. [2022-10-17 16:53:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:59,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:59,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:59,238 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 16:53:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 159 states and 306 transitions. [2022-10-17 16:53:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 306 transitions. [2022-10-17 16:53:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:53:59,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:59,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:53:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 162 states and 309 transitions. [2022-10-17 16:53:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 309 transitions. [2022-10-17 16:53:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:53:59,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 167 states and 320 transitions. [2022-10-17 16:53:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 320 transitions. [2022-10-17 16:53:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:53:59,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:59,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:54:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:00,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 324 transitions. [2022-10-17 16:54:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 324 transitions. [2022-10-17 16:54:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:54:00,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:00,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 172 states and 331 transitions. [2022-10-17 16:54:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 331 transitions. [2022-10-17 16:54:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:54:00,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:00,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 181 states and 348 transitions. [2022-10-17 16:54:02,783 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 348 transitions. [2022-10-17 16:54:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:54:02,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:02,918 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 16:54:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 184 states and 367 transitions. [2022-10-17 16:54:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 367 transitions. [2022-10-17 16:54:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:54:03,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:03,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:03,992 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 16:54:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 188 states and 374 transitions. [2022-10-17 16:54:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 374 transitions. [2022-10-17 16:54:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:54:04,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:04,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:04,788 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 16:54:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 192 states and 381 transitions. [2022-10-17 16:54:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 381 transitions. [2022-10-17 16:54:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:54:05,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:05,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 192 states and 379 transitions. [2022-10-17 16:54:05,955 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 379 transitions. [2022-10-17 16:54:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:54:05,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:05,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 375 transitions. [2022-10-17 16:54:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 375 transitions. [2022-10-17 16:54:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:54:06,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:06,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:54:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 192 states and 374 transitions. [2022-10-17 16:54:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 374 transitions. [2022-10-17 16:54:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:54:06,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:06,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:54:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 192 states and 369 transitions. [2022-10-17 16:54:06,475 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 369 transitions. [2022-10-17 16:54:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:54:06,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:06,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:54:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 200 states and 389 transitions. [2022-10-17 16:54:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 389 transitions. [2022-10-17 16:54:07,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:54:07,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:07,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:54:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 203 states and 395 transitions. [2022-10-17 16:54:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 395 transitions. [2022-10-17 16:54:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:54:07,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:07,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:07,562 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 16:54:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 206 states and 400 transitions. [2022-10-17 16:54:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 400 transitions. [2022-10-17 16:54:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:54:07,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:54:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 209 states and 406 transitions. [2022-10-17 16:54:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 406 transitions. [2022-10-17 16:54:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:54:08,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:08,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:08,266 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 16:54:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 212 states and 411 transitions. [2022-10-17 16:54:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 411 transitions. [2022-10-17 16:54:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:54:08,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:08,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:08,370 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 16:54:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 213 states and 412 transitions. [2022-10-17 16:54:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 412 transitions. [2022-10-17 16:54:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:54:08,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:08,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:08,466 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 16:54:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 64 states and 80 transitions. [2022-10-17 16:54:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2022-10-17 16:54:08,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:54:08,498 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 41 iterations. [2022-10-17 16:54:08,507 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:54:08,830 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,835 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-10-17 16:54:08,838 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:54:08,839 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,839 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,840 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,840 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,840 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,840 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,840 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,840 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,840 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:08,841 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-10-17 16:54:08,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:54:08 ImpRootNode [2022-10-17 16:54:08,841 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:54:08,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:54:08,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:54:08,842 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:54:08,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:50" (3/4) ... [2022-10-17 16:54:08,845 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:54:08,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:54:08,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:54:08,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:54:08,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:54:08,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:54:08,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:54:08,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 16:54:08,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2022-10-17 16:54:08,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-10-17 16:54:08,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:54:08,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:54:08,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:54:08,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:54:08,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:54:08,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive [2022-10-17 16:54:08,972 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:54:08,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:54:08,973 INFO L158 Benchmark]: Toolchain (without parser) took 19956.02ms. Allocated memory was 90.2MB in the beginning and 281.0MB in the end (delta: 190.8MB). Free memory was 64.6MB in the beginning and 119.4MB in the end (delta: -54.8MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. [2022-10-17 16:54:08,974 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:08,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.15ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 54.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:54:08,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.75ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:08,976 INFO L158 Benchmark]: Boogie Preprocessor took 56.28ms. Allocated memory is still 90.2MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:08,977 INFO L158 Benchmark]: RCFGBuilder took 811.59ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 50.2MB in the beginning and 82.2MB in the end (delta: -32.1MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-10-17 16:54:08,977 INFO L158 Benchmark]: CodeCheck took 18339.16ms. Allocated memory was 109.1MB in the beginning and 281.0MB in the end (delta: 172.0MB). Free memory was 82.2MB in the beginning and 123.6MB in the end (delta: -41.3MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. [2022-10-17 16:54:08,978 INFO L158 Benchmark]: Witness Printer took 130.26ms. Allocated memory is still 281.0MB. Free memory was 123.6MB in the beginning and 119.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:54:08,980 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, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 41, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12376 SdHoareTripleChecker+Valid, 36.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6041 mSDsluCounter, 15111 SdHoareTripleChecker+Invalid, 28.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11973 mSDsCounter, 6998 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20039 IncrementalHoareTripleChecker+Invalid, 27037 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6998 mSolverCounterUnsat, 4474 mSDtfsCounter, 20039 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17652 GetRequests, 17367 SyntacticMatches, 3 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36199 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1719 NumberOfCodeBlocks, 1719 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1679 ConstructedInterpolants, 0 QuantifiedInterpolants, 3192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 28 PerfectInterpolantSequences, 548/582 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: 140]: 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: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: !(methAndRunningLastTime == 0) || tmp == methaneLevelCritical * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.15ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 54.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.75ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.28ms. Allocated memory is still 90.2MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 811.59ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 50.2MB in the beginning and 82.2MB in the end (delta: -32.1MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * CodeCheck took 18339.16ms. Allocated memory was 109.1MB in the beginning and 281.0MB in the end (delta: 172.0MB). Free memory was 82.2MB in the beginning and 123.6MB in the end (delta: -41.3MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. * Witness Printer took 130.26ms. Allocated memory is still 281.0MB. Free memory was 123.6MB in the beginning and 119.4MB 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 16:54:09,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd0a1721-4c4f-4c5f-ac7e-d98320056f03/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