./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:54:08,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:54:08,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:54:08,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:54:08,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:54:08,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:54:08,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:54:08,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:54:08,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:54:08,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:54:08,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:54:08,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:54:08,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:54:08,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:54:08,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:54:08,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:54:08,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:54:08,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:54:08,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:54:08,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:54:08,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:54:08,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:54:08,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:54:08,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:54:08,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:54:08,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:54:08,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:54:08,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:54:08,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:54:08,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:54:08,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:54:08,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:54:08,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:54:08,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:54:08,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:54:08,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:54:08,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:54:08,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:54:08,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:54:08,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:54:08,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:54:08,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:54:08,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:54:08,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:54:08,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:54:08,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:54:08,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:54:08,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:54:08,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:54:08,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:54:08,372 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:54:08,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:54:08,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:54:08,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:54:08,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:54:08,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:54:08,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:54:08,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:54:08,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:54:08,375 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:54:08,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:54:08,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:54:08,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:54:08,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:54:08,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:54:08,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:54:08,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:54:08,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:54:08,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:54:08,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:54:08,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:54:08,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:54:08,379 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:54:08,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:54:08,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:54:08,380 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_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a99cd47cb89075c534de557ec34a8319cd4d0f3080d4e7f4d1690c11fbbfbd6 [2022-11-20 10:54:08,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:54:08,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:54:08,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:54:08,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:54:08,745 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:54:08,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2022-11-20 10:54:11,761 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:54:12,008 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:54:12,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2022-11-20 10:54:12,026 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/data/95cee3406/8b776db26da24a818d29f2f1332ae924/FLAG94a44aa96 [2022-11-20 10:54:12,045 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/data/95cee3406/8b776db26da24a818d29f2f1332ae924 [2022-11-20 10:54:12,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:54:12,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:54:12,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:54:12,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:54:12,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:54:12,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f2425e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12, skipping insertion in model container [2022-11-20 10:54:12,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:54:12,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:54:12,415 WARN L237 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_abb51029-8546-467a-bf45-8bef67c44d59/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c[14789,14802] [2022-11-20 10:54:12,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:54:12,441 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:54:12,497 WARN L237 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_abb51029-8546-467a-bf45-8bef67c44d59/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c[14789,14802] [2022-11-20 10:54:12,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:54:12,522 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:54:12,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12 WrapperNode [2022-11-20 10:54:12,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:54:12,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:54:12,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:54:12,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:54:12,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,586 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 162 [2022-11-20 10:54:12,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:54:12,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:54:12,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:54:12,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:54:12,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:54:12,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:54:12,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:54:12,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:54:12,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (1/1) ... [2022-11-20 10:54:12,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:54:12,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:54:12,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:54:12,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:54:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:54:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 10:54:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 10:54:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 10:54:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 10:54:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 10:54:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 10:54:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 10:54:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 10:54:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-20 10:54:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-20 10:54:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:54:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 10:54:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 10:54:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:54:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:54:12,867 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:54:12,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:54:13,187 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:54:13,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:54:13,194 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:54:13,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:13 BoogieIcfgContainer [2022-11-20 10:54:13,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:54:13,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:54:13,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:54:13,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:54:13,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:54:12" (1/3) ... [2022-11-20 10:54:13,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80da553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:54:13, skipping insertion in model container [2022-11-20 10:54:13,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:12" (2/3) ... [2022-11-20 10:54:13,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80da553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:54:13, skipping insertion in model container [2022-11-20 10:54:13,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:13" (3/3) ... [2022-11-20 10:54:13,205 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2022-11-20 10:54:13,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:54:13,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:54:13,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:54:13,308 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22a0f31f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:54:13,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:54:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 10:54:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 10:54:13,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:13,328 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:54:13,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:13,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:13,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1257797265, now seen corresponding path program 1 times [2022-11-20 10:54:13,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:54:13,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351444023] [2022-11-20 10:54:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:13,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:54:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:54:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:54:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:54:13,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:54:13,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351444023] [2022-11-20 10:54:13,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351444023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:13,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:13,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:54:13,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427154315] [2022-11-20 10:54:13,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:13,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:54:13,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:54:13,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:54:13,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:54:13,601 INFO L87 Difference]: Start difference. First operand has 77 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:13,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:13,637 INFO L93 Difference]: Finished difference Result 145 states and 196 transitions. [2022-11-20 10:54:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:54:13,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 10:54:13,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:13,656 INFO L225 Difference]: With dead ends: 145 [2022-11-20 10:54:13,656 INFO L226 Difference]: Without dead ends: 68 [2022-11-20 10:54:13,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:54:13,663 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:13,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:54:13,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-20 10:54:13,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-20 10:54:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 57 states have internal predecessors, (67), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 10:54:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2022-11-20 10:54:13,710 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 32 [2022-11-20 10:54:13,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:13,710 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2022-11-20 10:54:13,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-11-20 10:54:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 10:54:13,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:13,714 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:54:13,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:54:13,714 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:13,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2045799663, now seen corresponding path program 1 times [2022-11-20 10:54:13,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:54:13,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056177803] [2022-11-20 10:54:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:54:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:54:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:54:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:54:13,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:54:13,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056177803] [2022-11-20 10:54:13,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056177803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:13,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:13,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:54:13,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134469659] [2022-11-20 10:54:13,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:13,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:54:13,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:54:13,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:54:13,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:13,913 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:54:13,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:13,937 INFO L93 Difference]: Finished difference Result 128 states and 167 transitions. [2022-11-20 10:54:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:54:13,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-20 10:54:13,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:13,940 INFO L225 Difference]: With dead ends: 128 [2022-11-20 10:54:13,940 INFO L226 Difference]: Without dead ends: 68 [2022-11-20 10:54:13,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:13,942 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:13,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 84 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:54:13,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-20 10:54:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-20 10:54:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 57 states have internal predecessors, (66), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 10:54:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2022-11-20 10:54:13,957 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 37 [2022-11-20 10:54:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:13,959 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2022-11-20 10:54:13,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:54:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-11-20 10:54:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 10:54:13,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:13,961 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:54:13,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:54:13,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:13,963 INFO L85 PathProgramCache]: Analyzing trace with hash 266469262, now seen corresponding path program 1 times [2022-11-20 10:54:13,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:54:13,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632050455] [2022-11-20 10:54:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:13,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:54:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:54:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 10:54:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:54:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:54:14,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:54:14,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632050455] [2022-11-20 10:54:14,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632050455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:14,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:14,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:54:14,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721965381] [2022-11-20 10:54:14,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:14,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:54:14,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:54:14,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:54:14,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:54:14,261 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:54:14,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:14,487 INFO L93 Difference]: Finished difference Result 121 states and 157 transitions. [2022-11-20 10:54:14,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:54:14,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-11-20 10:54:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:14,489 INFO L225 Difference]: With dead ends: 121 [2022-11-20 10:54:14,489 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:54:14,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:54:14,492 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 42 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:14,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 249 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:54:14,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:54:14,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:54:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:54:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:54:14,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-20 10:54:14,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:14,494 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:54:14,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 10:54:14,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:54:14,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:54:14,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:54:14,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:54:14,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:54:14,934 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 139 145) no Hoare annotation was computed. [2022-11-20 10:54:14,935 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 139 145) the Hoare annotation is: true [2022-11-20 10:54:14,935 INFO L899 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2022-11-20 10:54:14,936 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 814 825) the Hoare annotation is: true [2022-11-20 10:54:14,936 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 814 825) no Hoare annotation was computed. [2022-11-20 10:54:14,936 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 689 718) no Hoare annotation was computed. [2022-11-20 10:54:14,937 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2022-11-20 10:54:14,937 INFO L895 garLoopResultBuilder]: At program point L703-1(lines 703 707) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,937 INFO L895 garLoopResultBuilder]: At program point cleanupENTRY(lines 689 718) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,937 INFO L899 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2022-11-20 10:54:14,938 INFO L895 garLoopResultBuilder]: At program point L699-2(lines 699 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,938 INFO L895 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,938 INFO L899 garLoopResultBuilder]: For program point L695-1(line 695) no Hoare annotation was computed. [2022-11-20 10:54:14,939 INFO L902 garLoopResultBuilder]: At program point L714(lines 689 718) the Hoare annotation is: true [2022-11-20 10:54:14,939 INFO L899 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2022-11-20 10:54:14,940 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2022-11-20 10:54:14,940 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2022-11-20 10:54:14,940 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2022-11-20 10:54:14,940 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-20 10:54:14,941 INFO L895 garLoopResultBuilder]: At program point L684(lines 679 686) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,941 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 112 138) no Hoare annotation was computed. [2022-11-20 10:54:14,942 INFO L895 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,942 INFO L895 garLoopResultBuilder]: At program point L185(lines 180 187) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,943 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 125) no Hoare annotation was computed. [2022-11-20 10:54:14,943 INFO L899 garLoopResultBuilder]: For program point L119-2(lines 115 137) no Hoare annotation was computed. [2022-11-20 10:54:14,943 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,944 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-20 10:54:14,945 INFO L895 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,945 INFO L895 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,946 INFO L895 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,946 INFO L895 garLoopResultBuilder]: At program point L166-1(lines 147 171) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,947 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,951 INFO L895 garLoopResultBuilder]: At program point L195(lines 188 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,951 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-20 10:54:14,952 INFO L895 garLoopResultBuilder]: At program point L831(lines 826 834) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,955 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2022-11-20 10:54:14,955 INFO L895 garLoopResultBuilder]: At program point L794-2(lines 790 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,956 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-11-20 10:54:14,956 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-11-20 10:54:14,956 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 112 138) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,957 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 10:54:14,957 INFO L899 garLoopResultBuilder]: For program point L683(line 683) no Hoare annotation was computed. [2022-11-20 10:54:14,957 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 112 138) no Hoare annotation was computed. [2022-11-20 10:54:14,957 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 683) no Hoare annotation was computed. [2022-11-20 10:54:14,960 INFO L895 garLoopResultBuilder]: At program point L890(lines 886 892) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,960 INFO L902 garLoopResultBuilder]: At program point L758(lines 750 760) the Hoare annotation is: true [2022-11-20 10:54:14,960 INFO L895 garLoopResultBuilder]: At program point L304(lines 257 305) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,961 INFO L902 garLoopResultBuilder]: At program point L783(lines 764 786) the Hoare annotation is: true [2022-11-20 10:54:14,961 INFO L899 garLoopResultBuilder]: For program point L259(lines 258 303) no Hoare annotation was computed. [2022-11-20 10:54:14,961 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 299) no Hoare annotation was computed. [2022-11-20 10:54:14,961 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:54:14,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:54:14,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:54:14,963 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,963 INFO L895 garLoopResultBuilder]: At program point L883(lines 879 885) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,964 INFO L895 garLoopResultBuilder]: At program point L301(lines 258 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,965 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2022-11-20 10:54:14,967 INFO L895 garLoopResultBuilder]: At program point L747(lines 743 749) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,969 INFO L899 garLoopResultBuilder]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2022-11-20 10:54:14,969 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 264) no Hoare annotation was computed. [2022-11-20 10:54:14,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:54:14,969 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2022-11-20 10:54:14,970 INFO L895 garLoopResultBuilder]: At program point L294-2(lines 288 299) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,971 INFO L895 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,972 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2022-11-20 10:54:14,972 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2022-11-20 10:54:14,976 INFO L902 garLoopResultBuilder]: At program point L307(lines 248 311) the Hoare annotation is: true [2022-11-20 10:54:14,976 INFO L895 garLoopResultBuilder]: At program point L270(line 270) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,977 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 781) no Hoare annotation was computed. [2022-11-20 10:54:14,977 INFO L899 garLoopResultBuilder]: For program point L774-2(lines 774 781) no Hoare annotation was computed. [2022-11-20 10:54:14,977 INFO L895 garLoopResultBuilder]: At program point L898(lines 893 901) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 10:54:14,977 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 802 813) no Hoare annotation was computed. [2022-11-20 10:54:14,977 INFO L899 garLoopResultBuilder]: For program point L806-1(lines 802 813) no Hoare annotation was computed. [2022-11-20 10:54:14,978 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 802 813) the Hoare annotation is: true [2022-11-20 10:54:14,978 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 199 207) no Hoare annotation was computed. [2022-11-20 10:54:14,978 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 199 207) the Hoare annotation is: true [2022-11-20 10:54:14,978 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 199 207) no Hoare annotation was computed. [2022-11-20 10:54:14,981 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 10:54:14,985 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:54:15,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:54:15 BoogieIcfgContainer [2022-11-20 10:54:15,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:54:15,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:54:15,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:54:15,014 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:54:15,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:13" (3/4) ... [2022-11-20 10:54:15,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:54:15,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 10:54:15,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 10:54:15,024 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 10:54:15,024 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 10:54:15,024 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 10:54:15,024 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-20 10:54:15,032 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 10:54:15,033 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:54:15,033 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:54:15,034 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:54:15,034 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:54:15,069 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 10:54:15,070 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 10:54:15,071 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 10:54:15,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 10:54:15,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 10:54:15,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 10:54:15,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 10:54:15,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 10:54:15,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 10:54:15,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 10:54:15,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:54:15,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:54:15,109 INFO L158 Benchmark]: Toolchain (without parser) took 3058.91ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 103.6MB in the beginning and 143.5MB in the end (delta: -40.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-20 10:54:15,109 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 8.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:54:15,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.51ms. Allocated memory is still 151.0MB. Free memory was 103.3MB in the beginning and 85.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:54:15,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.54ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:54:15,110 INFO L158 Benchmark]: Boogie Preprocessor took 25.71ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:54:15,111 INFO L158 Benchmark]: RCFGBuilder took 582.11ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 81.8MB in the beginning and 165.7MB in the end (delta: -84.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-20 10:54:15,111 INFO L158 Benchmark]: TraceAbstraction took 1814.93ms. Allocated memory is still 205.5MB. Free memory was 164.9MB in the beginning and 148.8MB in the end (delta: 16.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-11-20 10:54:15,112 INFO L158 Benchmark]: Witness Printer took 94.05ms. Allocated memory is still 205.5MB. Free memory was 148.8MB in the beginning and 143.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:54:15,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 8.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.51ms. Allocated memory is still 151.0MB. Free memory was 103.3MB in the beginning and 85.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.54ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 83.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.71ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.11ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 81.8MB in the beginning and 165.7MB in the end (delta: -84.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1814.93ms. Allocated memory is still 205.5MB. Free memory was 164.9MB in the beginning and 148.8MB in the end (delta: 16.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 94.05ms. Allocated memory is still 205.5MB. Free memory was 148.8MB in the beginning and 143.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 683]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 248 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 224 PreInvPairs, 255 NumberOfFragments, 276 HoareAnnotationTreeSize, 224 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 118 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:54:15,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abb51029-8546-467a-bf45-8bef67c44d59/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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