./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.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_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/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_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/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_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/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 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:50:58,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:58,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:58,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:58,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:58,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:58,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:58,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:58,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:58,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:58,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:58,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:58,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:58,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:58,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:58,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:58,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:58,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:58,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:58,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:58,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:58,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:58,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:58,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:58,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:58,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:58,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:58,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:58,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:58,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:58,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:58,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:58,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:58,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:58,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:58,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:58,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:58,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:58,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:58,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:58,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:58,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:58,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:58,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:58,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:58,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:58,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:58,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:58,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:58,707 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:58,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:58,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:58,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:58,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:58,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:58,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:58,710 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:58,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:58,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:58,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:58,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:58,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:58,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:58,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:58,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:58,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:58,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:58,713 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:58,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:58,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:58,713 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_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb [2022-10-17 16:50:58,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:59,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:59,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:59,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:59,027 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:59,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-10-17 16:50:59,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/data/6b675cc6b/154806b8f5aa403394568b5d5384a120/FLAG8575d3acd [2022-10-17 16:50:59,647 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:59,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-10-17 16:50:59,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/data/6b675cc6b/154806b8f5aa403394568b5d5384a120/FLAG8575d3acd [2022-10-17 16:50:59,972 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/data/6b675cc6b/154806b8f5aa403394568b5d5384a120 [2022-10-17 16:50:59,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:59,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:59,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:59,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:59,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:00,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:59" (1/1) ... [2022-10-17 16:51:00,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577c0b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00, skipping insertion in model container [2022-10-17 16:51:00,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:59" (1/1) ... [2022-10-17 16:51:00,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:00,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:00,517 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_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-10-17 16:51:00,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:00,529 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:00,597 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_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-10-17 16:51:00,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:00,615 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:00,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00 WrapperNode [2022-10-17 16:51:00,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:00,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:00,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:00,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:00,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,714 INFO L138 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2022-10-17 16:51:00,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:00,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:00,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:00,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:00,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:00,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:00,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:00,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:00,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:00" (1/1) ... [2022-10-17 16:51:00,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:00,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:00,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:00,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7d005b-76c5-41b2-96ef-f0db4531d9bf/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:51:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:51:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:51:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:51:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:51:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:51:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:51:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:51:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:51:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:51:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:51:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:51:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:00,969 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:00,971 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:01,406 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:01,563 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:01,563 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:51:01,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:01 BoogieIcfgContainer [2022-10-17 16:51:01,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:01,568 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:01,568 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:01,579 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:01,579 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:01" (1/1) ... [2022-10-17 16:51:01,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2022-10-17 16:51:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-10-17 16:51:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:01,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:01,880 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 16:51:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2022-10-17 16:51:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-17 16:51:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:01,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:01,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:02,127 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 16:51:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-10-17 16:51:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-10-17 16:51:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:51:02,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:02,321 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 16:51:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2022-10-17 16:51:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-10-17 16:51:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:51:02,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:02,515 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 16:51:02,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2022-10-17 16:51:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2022-10-17 16:51:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:51:02,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:02,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:02,594 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 16:51:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2022-10-17 16:51:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2022-10-17 16:51:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:51:02,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:02,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:02,708 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 16:51:02,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2022-10-17 16:51:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-10-17 16:51:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:51:02,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:02,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:03,303 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 16:51:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 149 transitions. [2022-10-17 16:51:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions. [2022-10-17 16:51:03,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:03,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:03,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 195 transitions. [2022-10-17 16:51:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2022-10-17 16:51:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:51:05,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:05,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 200 transitions. [2022-10-17 16:51:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2022-10-17 16:51:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:51:05,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:05,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:05,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 227 transitions. [2022-10-17 16:51:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2022-10-17 16:51:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:51:07,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:07,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:07,861 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 16:51:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 128 states and 242 transitions. [2022-10-17 16:51:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 242 transitions. [2022-10-17 16:51:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:51:08,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:08,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:08,703 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 16:51:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 129 states and 243 transitions. [2022-10-17 16:51:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 243 transitions. [2022-10-17 16:51:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:51:08,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:08,954 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 16:51:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 130 states and 244 transitions. [2022-10-17 16:51:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 244 transitions. [2022-10-17 16:51:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:51:09,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:09,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 136 states and 271 transitions. [2022-10-17 16:51:10,506 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2022-10-17 16:51:10,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:10,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:10,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:10,568 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 16:51:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 142 states and 287 transitions. [2022-10-17 16:51:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2022-10-17 16:51:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:11,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:11,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:11,317 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 16:51:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 291 transitions. [2022-10-17 16:51:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 291 transitions. [2022-10-17 16:51:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:51:11,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:11,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:12,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 144 states and 290 transitions. [2022-10-17 16:51:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 290 transitions. [2022-10-17 16:51:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:51:12,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:12,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:12,225 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 16:51:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 146 states and 293 transitions. [2022-10-17 16:51:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 293 transitions. [2022-10-17 16:51:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:51:12,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:12,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:51:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 148 states and 297 transitions. [2022-10-17 16:51:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 297 transitions. [2022-10-17 16:51:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:51:12,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:12,762 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 16:51:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 153 states and 306 transitions. [2022-10-17 16:51:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 306 transitions. [2022-10-17 16:51:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:51:13,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:51:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 164 states and 345 transitions. [2022-10-17 16:51:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 345 transitions. [2022-10-17 16:51:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:51:15,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:51:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 344 transitions. [2022-10-17 16:51:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 344 transitions. [2022-10-17 16:51:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:51:16,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:51:17,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 167 states and 349 transitions. [2022-10-17 16:51:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 349 transitions. [2022-10-17 16:51:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:51:17,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 180 states and 396 transitions. [2022-10-17 16:51:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 396 transitions. [2022-10-17 16:51:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:51:21,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:24,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 199 states and 471 transitions. [2022-10-17 16:51:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 471 transitions. [2022-10-17 16:51:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:51:24,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:24,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:51:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 210 states and 499 transitions. [2022-10-17 16:51:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 499 transitions. [2022-10-17 16:51:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:51:28,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:28,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 212 states and 504 transitions. [2022-10-17 16:51:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 504 transitions. [2022-10-17 16:51:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:51:29,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:29,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.