./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R --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 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 --- 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-38b53e6 [2022-11-25 17:06:36,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:06:36,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:06:36,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:06:36,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:06:36,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:06:36,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:06:36,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:06:36,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:06:36,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:06:36,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:06:36,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:06:36,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:06:36,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:06:36,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:06:36,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:06:36,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:06:36,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:06:36,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:06:36,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:06:36,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:06:36,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:06:36,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:06:36,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:06:36,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:06:36,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:06:36,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:06:36,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:06:36,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:06:36,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:06:36,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:06:36,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:06:36,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:06:36,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:06:36,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:06:36,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:06:36,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:06:36,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:06:36,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:06:36,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:06:36,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:06:36,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:06:36,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:06:36,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:06:36,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:06:36,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:06:36,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:06:36,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:06:36,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:06:36,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:06:36,339 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:06:36,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:06:36,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:06:36,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:06:36,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:06:36,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:06:36,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:06:36,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:06:36,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:06:36,342 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:06:36,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:06:36,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:06:36,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:06:36,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:06:36,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:06:36,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:06:36,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:06:36,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:06:36,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:06:36,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:06:36,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:06:36,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:06:36,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:06:36,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:06:36,354 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:06:36,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:06:36,354 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 [2022-11-25 17:06:36,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:06:36,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:06:36,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:06:36,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:06:36,631 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:06:36,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2022-11-25 17:06:39,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:06:39,966 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:06:39,967 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2022-11-25 17:06:39,988 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/data/3a10156d8/5f1542fbe800420b90b4bcf57ce68e8a/FLAG591ab25b8 [2022-11-25 17:06:40,004 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/data/3a10156d8/5f1542fbe800420b90b4bcf57ce68e8a [2022-11-25 17:06:40,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:06:40,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:06:40,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:06:40,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:06:40,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:06:40,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79811add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40, skipping insertion in model container [2022-11-25 17:06:40,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:06:40,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:06:40,369 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_ba692df4-d000-478b-a6b6-f592acd59b5b/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2022-11-25 17:06:40,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:06:40,389 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:06:40,495 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_ba692df4-d000-478b-a6b6-f592acd59b5b/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2022-11-25 17:06:40,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:06:40,517 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:06:40,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40 WrapperNode [2022-11-25 17:06:40,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:06:40,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:06:40,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:06:40,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:06:40,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,584 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 192 [2022-11-25 17:06:40,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:06:40,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:06:40,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:06:40,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:06:40,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:06:40,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:06:40,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:06:40,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:06:40,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (1/1) ... [2022-11-25 17:06:40,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:06:40,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:06:40,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:06:40,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-25 17:06:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-25 17:06:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-25 17:06:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-25 17:06:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-25 17:06:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-25 17:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-25 17:06:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-25 17:06:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-25 17:06:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-25 17:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-25 17:06:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-25 17:06:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-25 17:06:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-25 17:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-25 17:06:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-25 17:06:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:06:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:06:40,795 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:06:40,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:06:41,097 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:06:41,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:06:41,117 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:06:41,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:41 BoogieIcfgContainer [2022-11-25 17:06:41,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:06:41,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:06:41,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:06:41,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:06:41,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:06:40" (1/3) ... [2022-11-25 17:06:41,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1175fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:06:41, skipping insertion in model container [2022-11-25 17:06:41,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:40" (2/3) ... [2022-11-25 17:06:41,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1175fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:06:41, skipping insertion in model container [2022-11-25 17:06:41,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:41" (3/3) ... [2022-11-25 17:06:41,129 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2022-11-25 17:06:41,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:06:41,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:06:41,225 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:06:41,231 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;@4cf475c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:06:41,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:06:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 17:06:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 17:06:41,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:41,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:41,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:41,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:41,250 INFO L85 PathProgramCache]: Analyzing trace with hash 751018144, now seen corresponding path program 1 times [2022-11-25 17:06:41,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:41,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577993590] [2022-11-25 17:06:41,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:41,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:41,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:41,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577993590] [2022-11-25 17:06:41,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577993590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:41,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:41,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:06:41,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83162751] [2022-11-25 17:06:41,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:41,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:06:41,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:41,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:06:41,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:06:41,465 INFO L87 Difference]: Start difference. First operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:41,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:41,502 INFO L93 Difference]: Finished difference Result 172 states and 233 transitions. [2022-11-25 17:06:41,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:06:41,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-25 17:06:41,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:41,512 INFO L225 Difference]: With dead ends: 172 [2022-11-25 17:06:41,513 INFO L226 Difference]: Without dead ends: 81 [2022-11-25 17:06:41,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:06:41,520 INFO L413 NwaCegarLoop]: 113 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, 113 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 [2022-11-25 17:06:41,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:06:41,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-25 17:06:41,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-25 17:06:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 17:06:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2022-11-25 17:06:41,564 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 19 [2022-11-25 17:06:41,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:41,565 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2022-11-25 17:06:41,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2022-11-25 17:06:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 17:06:41,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:41,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:41,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:06:41,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:41,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:41,569 INFO L85 PathProgramCache]: Analyzing trace with hash -950488096, now seen corresponding path program 1 times [2022-11-25 17:06:41,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:41,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428835479] [2022-11-25 17:06:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:41,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:41,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428835479] [2022-11-25 17:06:41,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428835479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:41,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:41,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:06:41,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554674381] [2022-11-25 17:06:41,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:41,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:06:41,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:41,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:06:41,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:41,716 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:41,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:41,737 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2022-11-25 17:06:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:06:41,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-25 17:06:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:41,743 INFO L225 Difference]: With dead ends: 124 [2022-11-25 17:06:41,744 INFO L226 Difference]: Without dead ends: 72 [2022-11-25 17:06:41,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:41,748 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 16 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 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 [2022-11-25 17:06:41,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:06:41,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-25 17:06:41,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-25 17:06:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 17:06:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-25 17:06:41,775 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 20 [2022-11-25 17:06:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:41,775 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-25 17:06:41,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-25 17:06:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:06:41,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:41,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:41,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:06:41,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:41,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:41,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1341231340, now seen corresponding path program 1 times [2022-11-25 17:06:41,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:41,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133703122] [2022-11-25 17:06:41,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:41,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:42,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:42,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133703122] [2022-11-25 17:06:42,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133703122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:42,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:42,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:06:42,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224876205] [2022-11-25 17:06:42,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:42,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:06:42,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:42,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:06:42,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:06:42,066 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:42,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:42,270 INFO L93 Difference]: Finished difference Result 239 states and 313 transitions. [2022-11-25 17:06:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:06:42,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-25 17:06:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:42,274 INFO L225 Difference]: With dead ends: 239 [2022-11-25 17:06:42,277 INFO L226 Difference]: Without dead ends: 174 [2022-11-25 17:06:42,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:06:42,281 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 242 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:42,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 399 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:06:42,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-25 17:06:42,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 168. [2022-11-25 17:06:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 123 states have (on average 1.3577235772357723) internal successors, (167), 141 states have internal predecessors, (167), 26 states have call successors, (26), 18 states have call predecessors, (26), 18 states have return successors, (27), 16 states have call predecessors, (27), 26 states have call successors, (27) [2022-11-25 17:06:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2022-11-25 17:06:42,345 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 220 transitions. Word has length 24 [2022-11-25 17:06:42,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:42,346 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 220 transitions. [2022-11-25 17:06:42,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2022-11-25 17:06:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 17:06:42,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:42,349 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:06:42,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:06:42,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:42,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:42,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1307370678, now seen corresponding path program 1 times [2022-11-25 17:06:42,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:42,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159194998] [2022-11-25 17:06:42,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:42,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:42,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:42,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159194998] [2022-11-25 17:06:42,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159194998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:42,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:42,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:06:42,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737970187] [2022-11-25 17:06:42,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:42,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:06:42,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:42,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:06:42,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:06:42,553 INFO L87 Difference]: Start difference. First operand 168 states and 220 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:42,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:42,820 INFO L93 Difference]: Finished difference Result 635 states and 876 transitions. [2022-11-25 17:06:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:06:42,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-25 17:06:42,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:42,826 INFO L225 Difference]: With dead ends: 635 [2022-11-25 17:06:42,827 INFO L226 Difference]: Without dead ends: 474 [2022-11-25 17:06:42,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:06:42,829 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 187 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:42,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 652 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:06:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-11-25 17:06:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 459. [2022-11-25 17:06:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 332 states have (on average 1.3343373493975903) internal successors, (443), 381 states have internal predecessors, (443), 75 states have call successors, (75), 51 states have call predecessors, (75), 51 states have return successors, (89), 45 states have call predecessors, (89), 75 states have call successors, (89) [2022-11-25 17:06:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2022-11-25 17:06:42,908 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 28 [2022-11-25 17:06:42,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:42,909 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2022-11-25 17:06:42,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2022-11-25 17:06:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 17:06:42,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:42,912 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 17:06:42,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:06:42,913 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:42,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:42,913 INFO L85 PathProgramCache]: Analyzing trace with hash -983490225, now seen corresponding path program 1 times [2022-11-25 17:06:42,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:42,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081963492] [2022-11-25 17:06:42,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:42,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:42,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:42,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081963492] [2022-11-25 17:06:42,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081963492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:42,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:42,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:06:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756197469] [2022-11-25 17:06:42,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:42,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:06:42,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:42,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:06:42,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:42,982 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:43,024 INFO L93 Difference]: Finished difference Result 764 states and 1029 transitions. [2022-11-25 17:06:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:06:43,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-25 17:06:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:43,027 INFO L225 Difference]: With dead ends: 764 [2022-11-25 17:06:43,028 INFO L226 Difference]: Without dead ends: 312 [2022-11-25 17:06:43,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:43,031 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:43,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:06:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-11-25 17:06:43,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 306. [2022-11-25 17:06:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 233 states have (on average 1.2446351931330473) internal successors, (290), 249 states have internal predecessors, (290), 36 states have call successors, (36), 36 states have call predecessors, (36), 36 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-11-25 17:06:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 368 transitions. [2022-11-25 17:06:43,064 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 368 transitions. Word has length 30 [2022-11-25 17:06:43,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:43,065 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 368 transitions. [2022-11-25 17:06:43,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:06:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2022-11-25 17:06:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 17:06:43,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:43,068 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:43,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:06:43,068 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:06:43,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:43,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1206380235, now seen corresponding path program 1 times [2022-11-25 17:06:43,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:43,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964445697] [2022-11-25 17:06:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:43,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:06:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:06:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:06:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-25 17:06:43,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:43,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964445697] [2022-11-25 17:06:43,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964445697] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:06:43,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197185511] [2022-11-25 17:06:43,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:43,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:06:43,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:06:43,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:06:43,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:06:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:43,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 17:06:43,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:06:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:06:43,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:06:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:43,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197185511] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:06:43,849 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:06:43,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2022-11-25 17:06:43,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830858971] [2022-11-25 17:06:43,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:06:43,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 17:06:43,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:43,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 17:06:43,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:06:43,856 INFO L87 Difference]: Start difference. First operand 306 states and 368 transitions. Second operand has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-25 17:06:44,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:44,148 INFO L93 Difference]: Finished difference Result 413 states and 495 transitions. [2022-11-25 17:06:44,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:06:44,149 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 53 [2022-11-25 17:06:44,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:44,150 INFO L225 Difference]: With dead ends: 413 [2022-11-25 17:06:44,150 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:06:44,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 99 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:06:44,155 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 114 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:44,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 332 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:06:44,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:06:44,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:06:44,159 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) [2022-11-25 17:06:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:06:44,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2022-11-25 17:06:44,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:44,161 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:06:44,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-25 17:06:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:06:44,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:06:44,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:06:44,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:06:44,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:06:44,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:06:45,722 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 832 839) the Hoare annotation is: true [2022-11-25 17:06:45,722 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 832 839) no Hoare annotation was computed. [2022-11-25 17:06:45,722 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 832 839) no Hoare annotation was computed. [2022-11-25 17:06:45,722 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2022-11-25 17:06:45,723 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2022-11-25 17:06:45,723 INFO L899 garLoopResultBuilder]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2022-11-25 17:06:45,723 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: true [2022-11-25 17:06:45,723 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2022-11-25 17:06:45,723 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2022-11-25 17:06:45,723 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 953) no Hoare annotation was computed. [2022-11-25 17:06:45,724 INFO L895 garLoopResultBuilder]: At program point L940-1(lines 932 956) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-25 17:06:45,724 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 724 747) no Hoare annotation was computed. [2022-11-25 17:06:45,724 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-25 17:06:45,724 INFO L895 garLoopResultBuilder]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1))))) [2022-11-25 17:06:45,725 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-25 17:06:45,725 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-25 17:06:45,725 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2022-11-25 17:06:45,725 INFO L899 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2022-11-25 17:06:45,725 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-25 17:06:45,725 INFO L895 garLoopResultBuilder]: At program point L801-1(lines 782 806) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-25 17:06:45,726 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2022-11-25 17:06:45,726 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2022-11-25 17:06:45,726 INFO L895 garLoopResultBuilder]: At program point L566-2(lines 562 573) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-25 17:06:45,726 INFO L895 garLoopResultBuilder]: At program point L963(lines 958 965) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-25 17:06:45,726 INFO L895 garLoopResultBuilder]: At program point L856(lines 851 859) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-25 17:06:45,726 INFO L899 garLoopResultBuilder]: For program point L728-1(lines 727 746) no Hoare annotation was computed. [2022-11-25 17:06:45,727 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2022-11-25 17:06:45,727 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2022-11-25 17:06:45,727 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 724 747) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-25 17:06:45,727 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 724 747) no Hoare annotation was computed. [2022-11-25 17:06:45,727 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2022-11-25 17:06:45,727 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-25 17:06:45,728 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-25 17:06:45,728 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-25 17:06:45,728 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-25 17:06:45,728 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-25 17:06:45,728 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-25 17:06:45,728 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-25 17:06:45,728 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-25 17:06:45,728 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-25 17:06:45,728 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-25 17:06:45,729 INFO L895 garLoopResultBuilder]: At program point L927(lines 915 929) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-25 17:06:45,729 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:06:45,729 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2022-11-25 17:06:45,729 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 925) no Hoare annotation was computed. [2022-11-25 17:06:45,729 INFO L899 garLoopResultBuilder]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2022-11-25 17:06:45,729 INFO L895 garLoopResultBuilder]: At program point L696-2(lines 690 703) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-25 17:06:45,730 INFO L895 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:06:45,730 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 686) no Hoare annotation was computed. [2022-11-25 17:06:45,730 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 680 686) no Hoare annotation was computed. [2022-11-25 17:06:45,730 INFO L895 garLoopResultBuilder]: At program point L705(lines 660 707) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-25 17:06:45,730 INFO L895 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-25 17:06:45,730 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:06:45,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:06:45,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:06:45,731 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-25 17:06:45,731 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-25 17:06:45,731 INFO L895 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:06:45,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:06:45,731 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-25 17:06:45,731 INFO L895 garLoopResultBuilder]: At program point L921(line 921) the Hoare annotation is: false [2022-11-25 17:06:45,731 INFO L899 garLoopResultBuilder]: For program point L661(lines 660 707) no Hoare annotation was computed. [2022-11-25 17:06:45,732 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-25 17:06:45,732 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 703) no Hoare annotation was computed. [2022-11-25 17:06:45,732 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-25 17:06:45,732 INFO L902 garLoopResultBuilder]: At program point L711(lines 650 715) the Hoare annotation is: true [2022-11-25 17:06:45,732 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2022-11-25 17:06:45,732 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2022-11-25 17:06:45,733 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2022-11-25 17:06:45,733 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:06:45,733 INFO L895 garLoopResultBuilder]: At program point L708(lines 659 709) the Hoare annotation is: false [2022-11-25 17:06:45,733 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2022-11-25 17:06:45,733 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2022-11-25 17:06:45,733 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-11-25 17:06:45,733 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-25 17:06:45,733 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2022-11-25 17:06:45,734 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2022-11-25 17:06:45,734 INFO L895 garLoopResultBuilder]: At program point L911(lines 896 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-25 17:06:45,734 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2022-11-25 17:06:45,734 INFO L899 garLoopResultBuilder]: For program point L905-2(lines 905 909) no Hoare annotation was computed. [2022-11-25 17:06:45,734 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-25 17:06:45,734 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2022-11-25 17:06:45,735 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 756 780) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-25 17:06:45,735 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2022-11-25 17:06:45,735 INFO L895 garLoopResultBuilder]: At program point L644(lines 639 647) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-25 17:06:45,735 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-25 17:06:45,735 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 840 850) the Hoare annotation is: true [2022-11-25 17:06:45,735 INFO L902 garLoopResultBuilder]: At program point L603(lines 598 606) the Hoare annotation is: true [2022-11-25 17:06:45,735 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2022-11-25 17:06:45,735 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 840 850) no Hoare annotation was computed. [2022-11-25 17:06:45,739 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 17:06:45,741 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:06:45,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:06:45 BoogieIcfgContainer [2022-11-25 17:06:45,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:06:45,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:06:45,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:06:45,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:06:45,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:41" (3/4) ... [2022-11-25 17:06:45,763 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:06:45,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-25 17:06:45,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-25 17:06:45,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-25 17:06:45,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-25 17:06:45,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-25 17:06:45,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-25 17:06:45,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-25 17:06:45,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-25 17:06:45,776 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-25 17:06:45,777 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 17:06:45,777 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:06:45,777 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:06:45,778 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:06:45,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-25 17:06:45,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-25 17:06:45,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2022-11-25 17:06:45,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-25 17:06:45,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) [2022-11-25 17:06:45,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) [2022-11-25 17:06:45,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2022-11-25 17:06:45,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-25 17:06:45,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2022-11-25 17:06:45,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-25 17:06:45,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2022-11-25 17:06:45,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-25 17:06:45,826 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:06:45,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:06:45,827 INFO L158 Benchmark]: Toolchain (without parser) took 5818.94ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 131.6MB in the beginning and 121.6MB in the end (delta: 10.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,827 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:45,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.68ms. Allocated memory is still 169.9MB. Free memory was 131.6MB in the beginning and 112.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.72ms. Allocated memory is still 169.9MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,828 INFO L158 Benchmark]: Boogie Preprocessor took 27.70ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 109.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:45,828 INFO L158 Benchmark]: RCFGBuilder took 503.65ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 92.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,829 INFO L158 Benchmark]: TraceAbstraction took 4636.27ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 92.3MB in the beginning and 128.0MB in the end (delta: -35.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,829 INFO L158 Benchmark]: Witness Printer took 67.01ms. Allocated memory is still 205.5MB. Free memory was 128.0MB in the beginning and 121.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.68ms. Allocated memory is still 169.9MB. Free memory was 131.6MB in the beginning and 112.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.72ms. Allocated memory is still 169.9MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.70ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 109.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.65ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 92.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4636.27ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 92.3MB in the beginning and 128.0MB in the end (delta: -35.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Witness Printer took 67.01ms. Allocated memory is still 205.5MB. Free memory was 128.0MB in the beginning and 121.6MB in the end (delta: 6.3MB). 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: 962]: 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 9 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 601 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 597 mSDsluCounter, 1710 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1177 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 488 IncrementalHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 533 mSDtfsCounter, 488 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 108 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=459occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 668 PreInvPairs, 726 NumberOfFragments, 593 HoareAnnotationTreeSize, 668 FomulaSimplifications, 310 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 2511 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 48/54 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: 630]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-25 17:06:45,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba692df4-d000-478b-a6b6-f592acd59b5b/bin/uautomizer-ZsLfNo2U6R/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