./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.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_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/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_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/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_aaf5267b-333b-4eb2-bc05-564934c7e8f4/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 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:41,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:41,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:41,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:41,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:41,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:41,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:41,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:41,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:41,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:41,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:41,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:41,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:41,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:41,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:41,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:41,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:41,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:41,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:41,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:41,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:41,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:41,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:41,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:41,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:41,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:41,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:41,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:41,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:41,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:41,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:41,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:41,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:41,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:41,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:41,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:41,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:41,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:41,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:41,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:41,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:41,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:01:41,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:41,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:41,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:01:41,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:01:41,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:41,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:41,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:41,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:41,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:01:41,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:41,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:41,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:01:41,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:41,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:01:41,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:41,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:01:41,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:41,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:01:41,239 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:41,239 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:41,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:41,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:41,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:41,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:41,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:01:41,241 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:01:41,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:01:41,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:01:41,242 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_aaf5267b-333b-4eb2-bc05-564934c7e8f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 [2021-11-23 01:01:41,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:41,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:41,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:41,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:41,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:41,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-11-23 01:01:41,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/data/6f0f5983a/f4ee2feccf894625acaf0787eaa520da/FLAG23b689462 [2021-11-23 01:01:42,397 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:42,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-11-23 01:01:42,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/data/6f0f5983a/f4ee2feccf894625acaf0787eaa520da/FLAG23b689462 [2021-11-23 01:01:42,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/data/6f0f5983a/f4ee2feccf894625acaf0787eaa520da [2021-11-23 01:01:42,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:42,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:42,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:42,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:42,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:42,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:42" (1/1) ... [2021-11-23 01:01:42,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfebddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:42, skipping insertion in model container [2021-11-23 01:01:42,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:42" (1/1) ... [2021-11-23 01:01:42,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:42,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:43,101 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_aaf5267b-333b-4eb2-bc05-564934c7e8f4/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-11-23 01:01:43,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:43,256 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:43,329 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_aaf5267b-333b-4eb2-bc05-564934c7e8f4/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2021-11-23 01:01:43,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:43,454 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:43,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43 WrapperNode [2021-11-23 01:01:43,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:43,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:43,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:43,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:43,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,557 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 224 [2021-11-23 01:01:43,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:43,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:43,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:43,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:43,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:43,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:43,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:43,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:43,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:43" (1/1) ... [2021-11-23 01:01:43,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:43,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:43,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:01:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:01:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:01:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:01:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:01:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:01:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:01:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:01:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:01:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:01:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:01:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:01:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:01:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:01:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:43,873 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:43,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:44,290 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:44,432 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:44,433 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:01:44,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:44 BoogieIcfgContainer [2021-11-23 01:01:44,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:01:44,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:01:44,438 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:01:44,451 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:01:44,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:44" (1/1) ... [2021-11-23 01:01:44,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:01:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2021-11-23 01:01:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2021-11-23 01:01:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:01:44,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:44,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:44,876 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 01:01:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2021-11-23 01:01:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-23 01:01:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:01:44,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:44,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:45,104 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 01:01:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 01:01:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 01:01:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:01:45,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:45,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:45,324 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 01:01:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2021-11-23 01:01:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2021-11-23 01:01:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:01:45,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:45,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:45,638 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 01:01:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2021-11-23 01:01:46,193 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2021-11-23 01:01:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:01:46,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:46,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:46,316 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 01:01:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2021-11-23 01:01:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2021-11-23 01:01:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:47,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:47,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:47,456 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 01:01:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 91 states and 147 transitions. [2021-11-23 01:01:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2021-11-23 01:01:47,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:01:47,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:47,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:47,640 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 01:01:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 96 states and 158 transitions. [2021-11-23 01:01:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 158 transitions. [2021-11-23 01:01:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:47,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:47,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:47,798 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 01:01:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2021-11-23 01:01:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2021-11-23 01:01:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:48,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,085 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 01:01:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2021-11-23 01:01:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2021-11-23 01:01:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:01:48,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,148 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 01:01:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 176 transitions. [2021-11-23 01:01:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2021-11-23 01:01:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:01:48,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,211 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 01:01:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 178 transitions. [2021-11-23 01:01:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2021-11-23 01:01:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:01:48,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,413 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 01:01:48,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 113 states and 188 transitions. [2021-11-23 01:01:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions. [2021-11-23 01:01:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:01:48,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,617 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 01:01:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 114 states and 189 transitions. [2021-11-23 01:01:48,637 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 189 transitions. [2021-11-23 01:01:48,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:01:48,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 117 states and 198 transitions. [2021-11-23 01:01:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2021-11-23 01:01:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:01:49,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:49,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:01:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 207 transitions. [2021-11-23 01:01:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2021-11-23 01:01:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:01:49,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:49,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:01:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 128 states and 220 transitions. [2021-11-23 01:01:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2021-11-23 01:01:50,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:01:50,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:01:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 224 transitions. [2021-11-23 01:01:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 224 transitions. [2021-11-23 01:01:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:01:50,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:01:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 242 transitions. [2021-11-23 01:01:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2021-11-23 01:01:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:01:52,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:52,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:53,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 151 states and 268 transitions. [2021-11-23 01:01:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 268 transitions. [2021-11-23 01:01:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:01:53,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:53,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:01:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 159 states and 281 transitions. [2021-11-23 01:01:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2021-11-23 01:01:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:01:54,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:54,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:01:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 160 states and 282 transitions. [2021-11-23 01:01:54,699 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 282 transitions. [2021-11-23 01:01:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:01:54,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:54,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:01:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 163 states and 287 transitions. [2021-11-23 01:01:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 287 transitions. [2021-11-23 01:01:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:01:54,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:54,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:01:54,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 164 states and 288 transitions. [2021-11-23 01:01:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 288 transitions. [2021-11-23 01:01:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:01:54,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:54,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:01:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 57 states and 68 transitions. [2021-11-23 01:01:54,918 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2021-11-23 01:01:54,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:01:54,919 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2021-11-23 01:01:54,936 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:01:55,195 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:01:55,207 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:01:55,209 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,210 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,210 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,212 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:01:55,215 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-23 01:01:55,216 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,217 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,217 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,217 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,218 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,218 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,218 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,218 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:55,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:01:55 ImpRootNode [2021-11-23 01:01:55,219 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:01:55,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:01:55,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:01:55,221 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:01:55,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:44" (3/4) ... [2021-11-23 01:01:55,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:01:55,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:01:55,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:01:55,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:01:55,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:01:55,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:01:55,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:01:55,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2021-11-23 01:01:55,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 01:01:55,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:01:55,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:01:55,264 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:01:55,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:01:55,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:01:55,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2021-11-23 01:01:55,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) [2021-11-23 01:01:55,386 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:01:55,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:01:55,388 INFO L158 Benchmark]: Toolchain (without parser) took 12694.03ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 54.6MB in the beginning and 41.9MB in the end (delta: 12.7MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2021-11-23 01:01:55,389 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 86.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:55,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.43ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.4MB in the beginning and 71.6MB in the end (delta: -17.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:01:55,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.99ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 69.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:01:55,390 INFO L158 Benchmark]: Boogie Preprocessor took 69.92ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:55,391 INFO L158 Benchmark]: RCFGBuilder took 806.79ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 81.1MB in the end (delta: -13.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 01:01:55,391 INFO L158 Benchmark]: CodeCheck took 10781.80ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 81.1MB in the beginning and 47.0MB in the end (delta: 34.0MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-11-23 01:01:55,392 INFO L158 Benchmark]: Witness Printer took 166.06ms. Allocated memory is still 125.8MB. Free memory was 47.0MB in the beginning and 41.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:01:55,394 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: 10.4s, OverallIterations: 25, 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, 5418 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2428 mSDsluCounter, 5870 SdHoareTripleChecker+Invalid, 11.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4287 mSDsCounter, 2634 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7689 IncrementalHoareTripleChecker+Invalid, 10323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2634 mSolverCounterUnsat, 1875 mSDtfsCounter, 7689 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8960 GetRequests, 8765 SyntacticMatches, 3 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14991 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 935 NumberOfCodeBlocks, 935 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 911 ConstructedInterpolants, 0 QuantifiedInterpolants, 1734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 296/320 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: 329]: 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: 706]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 86.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.43ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.4MB in the beginning and 71.6MB in the end (delta: -17.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.99ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 69.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.92ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 806.79ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 81.1MB in the end (delta: -13.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * CodeCheck took 10781.80ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 81.1MB in the beginning and 47.0MB in the end (delta: 34.0MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 166.06ms. Allocated memory is still 125.8MB. Free memory was 47.0MB in the beginning and 41.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:01:55,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf5267b-333b-4eb2-bc05-564934c7e8f4/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