./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.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_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/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_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/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_6112aa87-e87a-4984-a6b1-45c175f26c5f/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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:21:09,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:21:09,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:21:09,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:21:09,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:21:09,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:21:09,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:21:09,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:21:09,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:21:09,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:21:09,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:21:09,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:21:09,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:21:09,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:21:09,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:21:09,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:21:09,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:21:09,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:21:09,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:21:09,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:21:09,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:21:09,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:21:09,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:21:09,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:21:09,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:21:09,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:21:09,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:21:09,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:21:09,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:21:09,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:21:09,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:21:09,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:21:09,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:21:09,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:21:09,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:21:09,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:21:09,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:21:09,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:21:09,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:21:09,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:21:09,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:21:09,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:21:09,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:21:09,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:21:09,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:21:09,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:21:09,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:21:09,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:21:09,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:21:09,228 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:21:09,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:21:09,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:21:09,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:21:09,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:21:09,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:21:09,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:21:09,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:21:09,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:21:09,233 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:21:09,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:21:09,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:21:09,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:21:09,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:21:09,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:09,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:21:09,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:21:09,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:21:09,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:21:09,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:21:09,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:21:09,235 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_6112aa87-e87a-4984-a6b1-45c175f26c5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2021-11-22 23:21:09,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:21:09,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:21:09,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:21:09,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:21:09,490 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:21:09,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-11-22 23:21:09,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/data/eef1a26c4/424dfc99c6474fc1a8a4d917b7d078a3/FLAG3ab08866b [2021-11-22 23:21:10,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:21:10,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-11-22 23:21:10,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/data/eef1a26c4/424dfc99c6474fc1a8a4d917b7d078a3/FLAG3ab08866b [2021-11-22 23:21:10,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/data/eef1a26c4/424dfc99c6474fc1a8a4d917b7d078a3 [2021-11-22 23:21:10,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:21:10,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:21:10,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:10,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:21:10,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:21:10,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:10,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25901c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10, skipping insertion in model container [2021-11-22 23:21:10,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:10,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:21:10,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:21:10,858 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_6112aa87-e87a-4984-a6b1-45c175f26c5f/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-11-22 23:21:10,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:10,870 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:21:10,973 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_6112aa87-e87a-4984-a6b1-45c175f26c5f/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2021-11-22 23:21:10,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:10,993 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:21:10,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10 WrapperNode [2021-11-22 23:21:10,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:10,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:10,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:21:11,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:21:11,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,078 INFO L137 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 216 [2021-11-22 23:21:11,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:11,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:21:11,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:21:11,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:21:11,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:21:11,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:21:11,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:21:11,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:21:11,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:10" (1/1) ... [2021-11-22 23:21:11,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:11,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:21:11,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:21:11,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:21:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:21:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-22 23:21:11,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-22 23:21:11,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-22 23:21:11,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-22 23:21:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-22 23:21:11,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-22 23:21:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-22 23:21:11,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-22 23:21:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:21:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-22 23:21:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-22 23:21:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:21:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:21:11,299 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:21:11,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:21:11,614 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:21:11,719 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:21:11,719 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:21:11,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:11 BoogieIcfgContainer [2021-11-22 23:21:11,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:21:11,723 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:21:11,725 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:21:11,736 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:21:11,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:11" (1/1) ... [2021-11-22 23:21:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:21:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-11-22 23:21:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-11-22 23:21:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:11,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2021-11-22 23:21:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-11-22 23:21:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:12,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:12,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2021-11-22 23:21:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-11-22 23:21:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:12,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:12,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-11-22 23:21:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-22 23:21:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:12,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:12,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2021-11-22 23:21:13,027 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2021-11-22 23:21:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:13,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2021-11-22 23:21:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2021-11-22 23:21:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:13,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 70 states and 107 transitions. [2021-11-22 23:21:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions. [2021-11-22 23:21:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:13,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2021-11-22 23:21:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2021-11-22 23:21:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:13,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 113 transitions. [2021-11-22 23:21:13,417 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2021-11-22 23:21:13,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:21:13,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:14,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 85 states and 141 transitions. [2021-11-22 23:21:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2021-11-22 23:21:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:21:14,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 91 states and 157 transitions. [2021-11-22 23:21:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 157 transitions. [2021-11-22 23:21:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:21:14,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 94 states and 164 transitions. [2021-11-22 23:21:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 164 transitions. [2021-11-22 23:21:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:21:14,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 98 states and 169 transitions. [2021-11-22 23:21:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 169 transitions. [2021-11-22 23:21:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:14,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 171 transitions. [2021-11-22 23:21:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2021-11-22 23:21:14,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:14,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,709 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 101 states and 174 transitions. [2021-11-22 23:21:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 174 transitions. [2021-11-22 23:21:14,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:14,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 102 states and 177 transitions. [2021-11-22 23:21:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 177 transitions. [2021-11-22 23:21:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:14,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 111 states and 199 transitions. [2021-11-22 23:21:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 199 transitions. [2021-11-22 23:21:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:16,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 117 states and 209 transitions. [2021-11-22 23:21:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 209 transitions. [2021-11-22 23:21:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:18,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:18,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 125 states and 233 transitions. [2021-11-22 23:21:19,652 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 233 transitions. [2021-11-22 23:21:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:19,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 127 states and 236 transitions. [2021-11-22 23:21:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2021-11-22 23:21:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:21:19,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:21:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 128 states and 236 transitions. [2021-11-22 23:21:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 236 transitions. [2021-11-22 23:21:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:21:20,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:21:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 131 states and 240 transitions. [2021-11-22 23:21:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 240 transitions. [2021-11-22 23:21:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:21:20,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:21:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 133 states and 247 transitions. [2021-11-22 23:21:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2021-11-22 23:21:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:21:21,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:21,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:21:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 137 states and 254 transitions. [2021-11-22 23:21:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2021-11-22 23:21:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:21:21,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:21,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:21:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 138 states and 250 transitions. [2021-11-22 23:21:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 250 transitions. [2021-11-22 23:21:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:21:22,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:22,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:21:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 73 states and 110 transitions. [2021-11-22 23:21:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2021-11-22 23:21:22,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:21:22,155 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2021-11-22 23:21:22,163 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:21:22,367 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,371 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,371 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-22 23:21:22,378 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,379 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-22 23:21:22,380 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,380 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,381 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,381 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,381 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,381 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,381 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-22 23:21:22,382 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,383 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,383 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,383 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,383 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:21:22,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:21:22 ImpRootNode [2021-11-22 23:21:22,386 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:21:22,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:21:22,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:21:22,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:21:22,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:11" (3/4) ... [2021-11-22 23:21:22,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:21:22,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-22 23:21:22,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-22 23:21:22,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-22 23:21:22,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-22 23:21:22,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-22 23:21:22,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-22 23:21:22,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-22 23:21:22,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-22 23:21:22,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:21:22,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 23:21:22,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:21:22,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:21:22,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(waterLevel == 0)) [2021-11-22 23:21:22,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2021-11-22 23:21:22,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:21:22,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:21:22,514 INFO L158 Benchmark]: Toolchain (without parser) took 12104.87ms. Allocated memory was 100.7MB in the beginning and 180.4MB in the end (delta: 79.7MB). Free memory was 66.8MB in the beginning and 53.9MB in the end (delta: 13.0MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2021-11-22 23:21:22,514 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:21:22,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.89ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 66.6MB in the beginning and 91.8MB in the end (delta: -25.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:21:22,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.62ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 89.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:21:22,515 INFO L158 Benchmark]: Boogie Preprocessor took 42.92ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:21:22,516 INFO L158 Benchmark]: RCFGBuilder took 597.85ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 68.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 23:21:22,516 INFO L158 Benchmark]: CodeCheck took 10663.78ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 68.8MB in the beginning and 59.1MB in the end (delta: 9.7MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2021-11-22 23:21:22,517 INFO L158 Benchmark]: Witness Printer took 126.51ms. Allocated memory is still 180.4MB. Free memory was 58.0MB in the beginning and 53.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:21:22,520 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 6 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 26, 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, 4932 SdHoareTripleChecker+Valid, 9.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2430 mSDsluCounter, 5666 SdHoareTripleChecker+Invalid, 8.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4404 mSDsCounter, 1991 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6217 IncrementalHoareTripleChecker+Invalid, 8208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1991 mSolverCounterUnsat, 1688 mSDtfsCounter, 6217 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8092 GetRequests, 7864 SyntacticMatches, 28 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17149 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 772 NumberOfCodeBlocks, 772 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 747 ConstructedInterpolants, 0 QuantifiedInterpolants, 1993 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 288/331 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: 882]: 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: 312]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(waterLevel == 0)) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((waterLevel == tmp && tmp == systemActive) && pumpRunning == 0) && tmp == 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.89ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 66.6MB in the beginning and 91.8MB in the end (delta: -25.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.62ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 89.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.92ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.85ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 68.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10663.78ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 68.8MB in the beginning and 59.1MB in the end (delta: 9.7MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Witness Printer took 126.51ms. Allocated memory is still 180.4MB. Free memory was 58.0MB in the beginning and 53.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:21:22,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6112aa87-e87a-4984-a6b1-45c175f26c5f/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