./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:27:29,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:27:29,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:27:29,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:27:29,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:27:29,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:27:29,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:27:29,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:27:29,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:27:29,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:27:29,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:27:29,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:27:29,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:27:29,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:27:29,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:27:29,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:27:29,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:27:29,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:27:29,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:27:29,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:27:29,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:27:29,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:27:29,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:27:29,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:27:29,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:27:29,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:27:29,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:27:29,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:27:29,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:27:29,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:27:29,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:27:29,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:27:29,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:27:29,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:27:29,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:27:29,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:27:29,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:27:29,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:27:29,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:27:29,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:27:29,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:27:29,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:27:29,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:27:29,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:27:29,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:27:29,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:27:29,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:27:29,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:27:29,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:27:29,857 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:27:29,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:27:29,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:27:29,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:27:29,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:27:29,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:27:29,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:27:29,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:27:29,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:27:29,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:27:29,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:27:29,861 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:27:29,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:27:29,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:27:29,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:29,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:27:29,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:27:29,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:27:29,862 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:27:29,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:27:29,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:27:29,863 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_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2021-11-23 01:27:30,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:27:30,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:27:30,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:27:30,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:27:30,234 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:27:30,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-11-23 01:27:30,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/data/b11b15583/bfd76b05f7a14cdaaea6642981a0adbd/FLAGcac8a321f [2021-11-23 01:27:30,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:27:30,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-11-23 01:27:30,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/data/b11b15583/bfd76b05f7a14cdaaea6642981a0adbd/FLAGcac8a321f [2021-11-23 01:27:31,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/data/b11b15583/bfd76b05f7a14cdaaea6642981a0adbd [2021-11-23 01:27:31,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:27:31,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:27:31,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:31,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:27:31,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:27:31,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:31,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe564aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31, skipping insertion in model container [2021-11-23 01:27:31,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:31,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:27:31,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:27:31,699 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_588b7211-12dd-464b-92fa-176454a6cba9/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-11-23 01:27:31,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:31,721 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:27:31,849 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_588b7211-12dd-464b-92fa-176454a6cba9/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-11-23 01:27:31,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:31,872 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:27:31,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31 WrapperNode [2021-11-23 01:27:31,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:31,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:31,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:27:31,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:27:31,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:31,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:31,983 INFO L137 Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 224 [2021-11-23 01:27:31,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:31,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:27:31,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:27:31,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:27:31,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:31,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:32,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:32,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:32,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:32,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:32,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:32,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:27:32,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:27:32,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:27:32,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:27:32,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:31" (1/1) ... [2021-11-23 01:27:32,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:27:32,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:27:32,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:27:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:27:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:27:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:27:32,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:27:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:27:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:27:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:27:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:27:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:27:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:27:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:27:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:27:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:27:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:27:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:27:32,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:27:32,274 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:32,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:32,594 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:32,673 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:32,673 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:27:32,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:32 BoogieIcfgContainer [2021-11-23 01:27:32,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:32,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:32,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:32,692 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:32,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:32" (1/1) ... [2021-11-23 01:27:32,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2021-11-23 01:27:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2021-11-23 01:27:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:27:32,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:32,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2021-11-23 01:27:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-23 01:27:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:27:33,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 01:27:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 01:27:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:33,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2021-11-23 01:27:33,440 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2021-11-23 01:27:33,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:33,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2021-11-23 01:27:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2021-11-23 01:27:33,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:33,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 86 states and 140 transitions. [2021-11-23 01:27:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2021-11-23 01:27:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:34,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 147 transitions. [2021-11-23 01:27:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2021-11-23 01:27:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:34,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 90 states and 150 transitions. [2021-11-23 01:27:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2021-11-23 01:27:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:27:34,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 165 transitions. [2021-11-23 01:27:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 165 transitions. [2021-11-23 01:27:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:34,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 171 transitions. [2021-11-23 01:27:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2021-11-23 01:27:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:34,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 101 states and 172 transitions. [2021-11-23 01:27:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2021-11-23 01:27:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:27:34,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 107 states and 187 transitions. [2021-11-23 01:27:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 187 transitions. [2021-11-23 01:27:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:27:35,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 192 transitions. [2021-11-23 01:27:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2021-11-23 01:27:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:27:35,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:35,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 194 transitions. [2021-11-23 01:27:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 194 transitions. [2021-11-23 01:27:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:27:35,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 119 states and 209 transitions. [2021-11-23 01:27:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 209 transitions. [2021-11-23 01:27:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:27:35,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:35,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 210 transitions. [2021-11-23 01:27:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 210 transitions. [2021-11-23 01:27:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:27:35,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:35,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 122 states and 216 transitions. [2021-11-23 01:27:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2021-11-23 01:27:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:27:35,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:27:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 129 states and 236 transitions. [2021-11-23 01:27:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 236 transitions. [2021-11-23 01:27:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:27:36,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:27:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 243 transitions. [2021-11-23 01:27:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 243 transitions. [2021-11-23 01:27:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:27:36,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:27:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 137 states and 249 transitions. [2021-11-23 01:27:36,712 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 249 transitions. [2021-11-23 01:27:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:27:36,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:36,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 141 states and 253 transitions. [2021-11-23 01:27:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 253 transitions. [2021-11-23 01:27:36,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:27:36,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:27:38,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 148 states and 268 transitions. [2021-11-23 01:27:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 268 transitions. [2021-11-23 01:27:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:27:38,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:27:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 149 states and 269 transitions. [2021-11-23 01:27:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 269 transitions. [2021-11-23 01:27:39,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:39,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:41,915 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:41,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:42,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:42,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:43,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:44,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:44,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:45,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:45,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:46,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:46,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:47,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:47,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:48,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:49,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:49,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:50,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:50,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:50,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:50,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:51,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:51,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:52,220 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:52,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:52,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:53,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:54,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:54,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:54,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:54,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:55,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:55,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:56,226 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:56,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:56,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:56,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:57,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:57,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:27:58,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:58,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 303 transitions. [2021-11-23 01:27:59,282 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:27:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:27:59,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:59,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:28:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 42 states and 50 transitions. [2021-11-23 01:28:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2021-11-23 01:28:00,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:28:00,261 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2021-11-23 01:28:00,269 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:28:00,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,589 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2021-11-23 01:28:00,593 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,593 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-23 01:28:00,595 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 01:28:00,596 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2021-11-23 01:28:00,597 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,597 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-23 01:28:00,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,598 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:00,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:28:00 ImpRootNode [2021-11-23 01:28:00,600 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:28:00,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:28:00,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:28:00,601 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:28:00,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:32" (3/4) ... [2021-11-23 01:28:00,604 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:28:00,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:28:00,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:28:00,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:28:00,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:28:00,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:28:00,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:28:00,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-23 01:28:00,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 01:28:00,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 01:28:00,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:28:00,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:28:00,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:28:00,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:28:00,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0) [2021-11-23 01:28:00,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(methAndRunningLastTime == 0) [2021-11-23 01:28:00,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || !(pumpRunning == \old(pumpRunning))) || 0 == systemActive) || !(methAndRunningLastTime == 0) [2021-11-23 01:28:00,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methAndRunningLastTime == 0 || (!(\old(pumpRunning) == 0) && (1 <= methaneLevelCritical || methaneLevelCritical + 1 <= 0))) || !(pumpRunning == \old(pumpRunning))) || 0 == systemActive [2021-11-23 01:28:00,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:28:00,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:28:00,697 INFO L158 Benchmark]: Toolchain (without parser) took 29456.38ms. Allocated memory was 83.9MB in the beginning and 182.5MB in the end (delta: 98.6MB). Free memory was 47.2MB in the beginning and 113.8MB in the end (delta: -66.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-23 01:28:00,697 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:00,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.51ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 71.4MB in the end (delta: -24.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:28:00,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.19ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 68.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:28:00,699 INFO L158 Benchmark]: Boogie Preprocessor took 67.99ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:28:00,699 INFO L158 Benchmark]: RCFGBuilder took 618.73ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 47.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:28:00,700 INFO L158 Benchmark]: CodeCheck took 27923.11ms. Allocated memory was 102.8MB in the beginning and 182.5MB in the end (delta: 79.7MB). Free memory was 47.0MB in the beginning and 119.0MB in the end (delta: -72.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 01:28:00,700 INFO L158 Benchmark]: Witness Printer took 95.40ms. Allocated memory is still 182.5MB. Free memory was 119.0MB in the beginning and 113.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:28:00,703 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 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.5s, OverallIterations: 49, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14639 SdHoareTripleChecker+Valid, 31.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6993 mSDsluCounter, 16763 SdHoareTripleChecker+Invalid, 25.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12802 mSDsCounter, 6013 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19022 IncrementalHoareTripleChecker+Invalid, 25035 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6013 mSolverCounterUnsat, 5139 mSDtfsCounter, 19022 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19236 GetRequests, 18024 SyntacticMatches, 1030 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118608 ImplicationChecksByTransitivity, 23.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2056 NumberOfCodeBlocks, 2056 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 2008 ConstructedInterpolants, 0 QuantifiedInterpolants, 6642 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 18 PerfectInterpolantSequences, 651/712 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: 927]: 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: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || !(pumpRunning == \old(pumpRunning))) || 0 == systemActive) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: ((methAndRunningLastTime == 0 || (!(\old(pumpRunning) == 0) && (1 <= methaneLevelCritical || methaneLevelCritical + 1 <= 0))) || !(pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical <= 0) && tmp == 1) && 0 <= methaneLevelCritical - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.51ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 71.4MB in the end (delta: -24.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.19ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 68.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.99ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.73ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 47.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 27923.11ms. Allocated memory was 102.8MB in the beginning and 182.5MB in the end (delta: 79.7MB). Free memory was 47.0MB in the beginning and 119.0MB in the end (delta: -72.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 95.40ms. Allocated memory is still 182.5MB. Free memory was 119.0MB in the beginning and 113.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:28:00,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588b7211-12dd-464b-92fa-176454a6cba9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE