./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI --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 e58738f03c291d912b42eb65343509a99f93ac40ab295d49133dc12600f622b8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:28:29,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:28:29,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:28:29,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:28:29,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:28:29,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:28:29,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:28:29,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:28:29,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:28:29,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:28:29,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:28:29,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:28:29,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:28:29,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:28:29,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:28:29,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:28:29,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:28:29,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:28:29,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:28:29,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:28:29,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:28:29,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:28:29,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:28:29,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:28:29,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:28:29,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:28:29,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:28:29,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:28:29,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:28:29,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:28:29,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:28:29,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:28:29,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:28:29,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:28:29,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:28:29,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:28:29,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:28:29,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:28:29,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:28:29,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:28:29,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:28:29,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:28:29,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:28:29,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:28:29,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:28:29,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:28:29,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:28:29,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:28:29,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:28:29,441 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:28:29,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:28:29,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:28:29,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:28:29,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:28:29,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:28:29,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:28:29,444 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:28:29,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:28:29,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:28:29,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:28:29,445 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:28:29,445 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:28:29,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:28:29,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:29,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:28:29,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:28:29,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:28:29,447 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:28:29,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:28:29,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:28:29,447 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_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e58738f03c291d912b42eb65343509a99f93ac40ab295d49133dc12600f622b8 [2021-10-29 03:28:29,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:28:29,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:28:29,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:28:29,732 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:28:29,734 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:28:29,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c [2021-10-29 03:28:29,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/data/01dc9f501/3f6272de93fb47e68030e22d3b77ef11/FLAGbf7887fe1 [2021-10-29 03:28:30,341 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:28:30,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c [2021-10-29 03:28:30,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/data/01dc9f501/3f6272de93fb47e68030e22d3b77ef11/FLAGbf7887fe1 [2021-10-29 03:28:30,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/data/01dc9f501/3f6272de93fb47e68030e22d3b77ef11 [2021-10-29 03:28:30,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:28:30,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:28:30,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:30,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:28:30,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:28:30,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:30" (1/1) ... [2021-10-29 03:28:30,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0c35ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:30, skipping insertion in model container [2021-10-29 03:28:30,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:30" (1/1) ... [2021-10-29 03:28:30,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:28:30,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:28:30,973 WARN L228 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_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c[7390,7403] [2021-10-29 03:28:31,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:31,045 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:28:31,079 WARN L228 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_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c[7390,7403] [2021-10-29 03:28:31,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:31,172 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:28:31,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31 WrapperNode [2021-10-29 03:28:31,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:31,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:31,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:28:31,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:28:31,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:31,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:28:31,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:28:31,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:28:31,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:28:31,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:28:31,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:28:31,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:28:31,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:31" (1/1) ... [2021-10-29 03:28:31,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:31,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:28:31,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:28:31,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:28:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:28:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 03:28:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 03:28:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 03:28:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 03:28:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 03:28:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 03:28:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 03:28:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 03:28:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 03:28:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 03:28:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 03:28:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 03:28:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-10-29 03:28:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-10-29 03:28:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:28:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 03:28:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 03:28:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:28:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:28:32,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:28:32,463 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-29 03:28:32,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:32 BoogieIcfgContainer [2021-10-29 03:28:32,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:28:32,468 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:28:32,468 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:28:32,480 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:28:32,480 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:32" (1/1) ... [2021-10-29 03:28:32,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:28:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2021-10-29 03:28:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2021-10-29 03:28:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:28:32,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:32,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2021-10-29 03:28:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2021-10-29 03:28:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:28:32,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:32,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 65 states and 86 transitions. [2021-10-29 03:28:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2021-10-29 03:28:32,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:28:32,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:32,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2021-10-29 03:28:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-10-29 03:28:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:28:33,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:33,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2021-10-29 03:28:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-10-29 03:28:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:28:33,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:33,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2021-10-29 03:28:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-29 03:28:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:28:33,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:33,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 110 transitions. [2021-10-29 03:28:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-29 03:28:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:28:33,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:33,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 147 transitions. [2021-10-29 03:28:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2021-10-29 03:28:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:28:34,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:34,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 100 states and 157 transitions. [2021-10-29 03:28:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2021-10-29 03:28:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:28:34,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:34,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 101 states and 158 transitions. [2021-10-29 03:28:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2021-10-29 03:28:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:28:34,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:34,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 120 states and 198 transitions. [2021-10-29 03:28:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2021-10-29 03:28:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:28:35,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:35,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:36,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 124 states and 204 transitions. [2021-10-29 03:28:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 204 transitions. [2021-10-29 03:28:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:28:36,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:36,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 127 states and 211 transitions. [2021-10-29 03:28:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 211 transitions. [2021-10-29 03:28:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:28:36,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:36,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:28:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 131 states and 221 transitions. [2021-10-29 03:28:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2021-10-29 03:28:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:28:36,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:36,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 236 transitions. [2021-10-29 03:28:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2021-10-29 03:28:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:28:36,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:36,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 152 states and 276 transitions. [2021-10-29 03:28:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2021-10-29 03:28:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:28:39,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:39,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 274 transitions. [2021-10-29 03:28:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 274 transitions. [2021-10-29 03:28:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:28:39,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:39,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 153 states and 275 transitions. [2021-10-29 03:28:39,972 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2021-10-29 03:28:39,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:28:39,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:39,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:28:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 156 states and 282 transitions. [2021-10-29 03:28:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 282 transitions. [2021-10-29 03:28:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:28:40,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:40,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:28:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 157 states and 283 transitions. [2021-10-29 03:28:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 283 transitions. [2021-10-29 03:28:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:28:40,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:40,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:40,648 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:28:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:40,956 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:28:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:41,261 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2021-10-29 03:28:41,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:28:41 ImpRootNode [2021-10-29 03:28:41,459 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:28:41,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:28:41,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:28:41,461 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:28:41,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:32" (3/4) ... [2021-10-29 03:28:41,464 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:28:41,574 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:28:41,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:28:41,576 INFO L168 Benchmark]: Toolchain (without parser) took 10892.83 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 81.8 MB in the beginning and 69.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 61.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:41,576 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:41,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.33 ms. Allocated memory is still 113.2 MB. Free memory was 81.4 MB in the beginning and 81.3 MB in the end (delta: 171.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:41,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.17 ms. Allocated memory is still 113.2 MB. Free memory was 81.3 MB in the beginning and 78.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:41,578 INFO L168 Benchmark]: Boogie Preprocessor took 41.73 ms. Allocated memory is still 113.2 MB. Free memory was 78.6 MB in the beginning and 76.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:41,579 INFO L168 Benchmark]: RCFGBuilder took 1162.01 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 76.6 MB in the beginning and 98.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:41,579 INFO L168 Benchmark]: CodeCheck took 8992.01 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 98.8 MB in the beginning and 81.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:41,580 INFO L168 Benchmark]: Witness Printer took 114.00 ms. Allocated memory is still 163.6 MB. Free memory was 81.9 MB in the beginning and 69.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:41,582 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 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12019120 SDtfs, 2635624 SDslu, 4641908 SDs, 0 SdLazy, 3629968 SolverSat, 1256032 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4602 GetRequests, 4451 SyntacticMatches, 25 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7041 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 535 NumberOfCodeBlocks, 535 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 483 ConstructedInterpolants, 0 QuantifiedInterpolants, 1114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 4/4 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 - CounterExampleResult [Line: 500]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L362] int cleanupTimeShifts = 4; [L674] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L872] int waterLevel = 1; [L873] int methaneLevelCritical = 0; [L438] int retValue_acc ; [L439] int tmp ; [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] return (retValue_acc); [L445] tmp = valid_product() [L447] COND TRUE \read(tmp) [L267] int splverifierCounter ; [L268] int tmp ; [L269] int tmp___0 ; [L270] int tmp___1 ; [L271] int tmp___2 ; [L274] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L276] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L278] COND TRUE splverifierCounter < 4 [L284] tmp = __VERIFIER_nondet_int() [L286] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L288] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] COND TRUE waterLevel < 2 [L891] waterLevel = waterLevel + 1 [L288] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] tmp___0 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L902] COND FALSE !(\read(methaneLevelCritical)) [L905] methaneLevelCritical = 1 [L298] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L304] tmp___2 = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp___2) [L258] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L323] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L69] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L76] COND TRUE \read(systemActive) [L124] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L127] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L142] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L98] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L101] COND TRUE ! pumpRunning [L221] int retValue_acc ; [L222] int tmp ; [L223] int tmp___0 ; [L952] int retValue_acc ; [L955] COND FALSE !(waterLevel < 2) [L959] retValue_acc = 0 [L960] return (retValue_acc); [L227] tmp = isHighWaterSensorDry() [L229] COND FALSE !(\read(tmp)) [L232] tmp___0 = 1 [L234] retValue_acc = tmp___0 [L235] return (retValue_acc); [L103] tmp = isHighWaterLevel() [L105] COND TRUE \read(tmp) [L152] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L142] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L337] int tmp ; [L338] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L342] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L911] int retValue_acc ; [L914] retValue_acc = methaneLevelCritical [L915] return (retValue_acc); [L342] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L342] tmp = isMethaneLevelCritical() [L344] COND TRUE \read(tmp) [L176] int retValue_acc ; [L179] retValue_acc = pumpRunning [L180] return (retValue_acc); [L346] tmp___0 = isPumpRunning() [L348] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L500] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.33 ms. Allocated memory is still 113.2 MB. Free memory was 81.4 MB in the beginning and 81.3 MB in the end (delta: 171.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.17 ms. Allocated memory is still 113.2 MB. Free memory was 81.3 MB in the beginning and 78.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.73 ms. Allocated memory is still 113.2 MB. Free memory was 78.6 MB in the beginning and 76.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1162.01 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 76.6 MB in the beginning and 98.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * CodeCheck took 8992.01 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 98.8 MB in the beginning and 81.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Witness Printer took 114.00 ms. Allocated memory is still 163.6 MB. Free memory was 81.9 MB in the beginning and 69.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:28:41,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a91dcd41-901b-40b4-9b84-a8b2f3f3a55b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...