./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8 --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 bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf --- 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-2329fc7 [2022-12-13 19:09:49,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:09:49,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:09:49,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:09:49,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:09:49,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:09:49,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:09:49,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:09:49,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:09:49,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:09:49,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:09:49,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:09:49,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:09:49,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:09:49,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:09:49,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:09:49,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:09:49,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:09:49,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:09:49,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:09:49,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:09:49,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:09:49,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:09:49,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:09:49,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:09:49,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:09:49,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:09:49,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:09:49,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:09:49,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:09:49,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:09:49,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:09:49,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:09:49,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:09:49,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:09:49,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:09:49,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:09:49,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:09:49,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:09:49,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:09:49,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:09:49,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 19:09:49,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:09:49,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:09:49,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:09:49,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:09:49,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:09:49,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:09:49,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:09:49,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:09:49,340 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:09:49,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:09:49,340 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:09:49,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:09:49,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:09:49,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:09:49,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:09:49,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:09:49,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:09:49,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:09:49,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:09:49,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:09:49,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:09:49,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:09:49,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:09:49,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:09:49,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:09:49,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:09:49,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:09:49,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:09:49,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:09:49,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:09:49,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:09:49,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:09:49,343 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:09:49,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:09:49,343 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:09:49,343 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_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf [2022-12-13 19:09:49,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:09:49,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:09:49,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:09:49,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:09:49,524 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:09:49,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2022-12-13 19:09:52,145 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:09:52,330 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:09:52,331 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2022-12-13 19:09:52,340 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/data/cfd9cea0e/66b12634a59c48f89f524d84a6e84215/FLAGc614c2f58 [2022-12-13 19:09:52,351 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/data/cfd9cea0e/66b12634a59c48f89f524d84a6e84215 [2022-12-13 19:09:52,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:09:52,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:09:52,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:09:52,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:09:52,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:09:52,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f79b371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52, skipping insertion in model container [2022-12-13 19:09:52,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:09:52,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:09:52,576 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_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2022-12-13 19:09:52,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:09:52,668 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:09:52,685 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_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2022-12-13 19:09:52,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:09:52,743 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:09:52,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52 WrapperNode [2022-12-13 19:09:52,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:09:52,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:09:52,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:09:52,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:09:52,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,787 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 225 [2022-12-13 19:09:52,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:09:52,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:09:52,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:09:52,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:09:52,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,811 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:09:52,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:09:52,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:09:52,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:09:52,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (1/1) ... [2022-12-13 19:09:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:09:52,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:09:52,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:09:52,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:09:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:09:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 19:09:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 19:09:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 19:09:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 19:09:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 19:09:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 19:09:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 19:09:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 19:09:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 19:09:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 19:09:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 19:09:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 19:09:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 19:09:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 19:09:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-12-13 19:09:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-12-13 19:09:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 19:09:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 19:09:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:09:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 19:09:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 19:09:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:09:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:09:52,963 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:09:52,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:09:53,214 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:09:53,220 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:09:53,220 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:09:53,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:09:53 BoogieIcfgContainer [2022-12-13 19:09:53,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:09:53,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:09:53,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:09:53,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:09:53,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:09:52" (1/3) ... [2022-12-13 19:09:53,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2ad859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:09:53, skipping insertion in model container [2022-12-13 19:09:53,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:52" (2/3) ... [2022-12-13 19:09:53,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2ad859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:09:53, skipping insertion in model container [2022-12-13 19:09:53,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:09:53" (3/3) ... [2022-12-13 19:09:53,230 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2022-12-13 19:09:53,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:09:53,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:09:53,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:09:53,288 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;@6c3436e2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:09:53,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:09:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-13 19:09:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 19:09:53,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:53,304 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] [2022-12-13 19:09:53,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:53,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:53,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1947167556, now seen corresponding path program 1 times [2022-12-13 19:09:53,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:53,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813864812] [2022-12-13 19:09:53,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:53,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 19:09:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:09:53,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:53,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813864812] [2022-12-13 19:09:53,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813864812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:53,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:53,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:53,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155263459] [2022-12-13 19:09:53,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:53,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:09:53,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:53,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:09:53,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:09:53,505 INFO L87 Difference]: Start difference. First operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:53,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:53,543 INFO L93 Difference]: Finished difference Result 219 states and 298 transitions. [2022-12-13 19:09:53,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:09:53,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-13 19:09:53,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:53,553 INFO L225 Difference]: With dead ends: 219 [2022-12-13 19:09:53,553 INFO L226 Difference]: Without dead ends: 105 [2022-12-13 19:09:53,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:09:53,559 INFO L413 NwaCegarLoop]: 146 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, 146 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 [2022-12-13 19:09:53,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-13 19:09:53,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-12-13 19:09:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 86 states have internal predecessors, (100), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 19:09:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2022-12-13 19:09:53,599 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 25 [2022-12-13 19:09:53,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:53,599 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2022-12-13 19:09:53,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2022-12-13 19:09:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 19:09:53,602 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:53,602 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] [2022-12-13 19:09:53,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:09:53,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:53,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:53,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1638616570, now seen corresponding path program 1 times [2022-12-13 19:09:53,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:53,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482273031] [2022-12-13 19:09:53,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:53,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 19:09:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:09:53,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:53,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482273031] [2022-12-13 19:09:53,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482273031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:53,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:53,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:53,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784693660] [2022-12-13 19:09:53,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:53,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:53,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:53,695 INFO L87 Difference]: Start difference. First operand 105 states and 137 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:53,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:53,717 INFO L93 Difference]: Finished difference Result 171 states and 223 transitions. [2022-12-13 19:09:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:53,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-12-13 19:09:53,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:53,720 INFO L225 Difference]: With dead ends: 171 [2022-12-13 19:09:53,720 INFO L226 Difference]: Without dead ends: 96 [2022-12-13 19:09:53,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:53,722 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 16 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 227 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 [2022-12-13 19:09:53,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-13 19:09:53,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-13 19:09:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 80 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 19:09:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-12-13 19:09:53,743 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 26 [2022-12-13 19:09:53,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:53,743 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-12-13 19:09:53,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:53,744 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-12-13 19:09:53,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 19:09:53,745 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:53,745 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] [2022-12-13 19:09:53,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:09:53,745 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:53,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:53,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1033007084, now seen corresponding path program 1 times [2022-12-13 19:09:53,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:53,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503295628] [2022-12-13 19:09:53,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:53,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:09:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:53,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:09:53,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:53,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503295628] [2022-12-13 19:09:53,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503295628] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:53,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:53,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:09:53,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958712726] [2022-12-13 19:09:53,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:53,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:53,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:53,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:53,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:53,887 INFO L87 Difference]: Start difference. First operand 96 states and 125 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:54,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:54,074 INFO L93 Difference]: Finished difference Result 314 states and 416 transitions. [2022-12-13 19:09:54,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:54,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-12-13 19:09:54,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:54,077 INFO L225 Difference]: With dead ends: 314 [2022-12-13 19:09:54,077 INFO L226 Difference]: Without dead ends: 226 [2022-12-13 19:09:54,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:09:54,079 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 256 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:54,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 572 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:54,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-12-13 19:09:54,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2022-12-13 19:09:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 159 states have (on average 1.3584905660377358) internal successors, (216), 181 states have internal predecessors, (216), 37 states have call successors, (37), 23 states have call predecessors, (37), 23 states have return successors, (38), 25 states have call predecessors, (38), 37 states have call successors, (38) [2022-12-13 19:09:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 291 transitions. [2022-12-13 19:09:54,111 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 291 transitions. Word has length 30 [2022-12-13 19:09:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:54,111 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 291 transitions. [2022-12-13 19:09:54,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 291 transitions. [2022-12-13 19:09:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 19:09:54,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:54,114 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, 1, 1, 1, 1] [2022-12-13 19:09:54,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:09:54,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:54,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1394669962, now seen corresponding path program 1 times [2022-12-13 19:09:54,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:54,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976031990] [2022-12-13 19:09:54,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:09:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:09:54,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:54,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976031990] [2022-12-13 19:09:54,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976031990] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:54,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:54,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:09:54,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249758295] [2022-12-13 19:09:54,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:54,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:09:54,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:54,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:09:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:09:54,182 INFO L87 Difference]: Start difference. First operand 220 states and 291 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:54,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:54,247 INFO L93 Difference]: Finished difference Result 542 states and 733 transitions. [2022-12-13 19:09:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:54,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-12-13 19:09:54,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:54,251 INFO L225 Difference]: With dead ends: 542 [2022-12-13 19:09:54,251 INFO L226 Difference]: Without dead ends: 330 [2022-12-13 19:09:54,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:09:54,254 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 95 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:54,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 466 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:54,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-12-13 19:09:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 313. [2022-12-13 19:09:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 228 states have (on average 1.2894736842105263) internal successors, (294), 249 states have internal predecessors, (294), 46 states have call successors, (46), 38 states have call predecessors, (46), 38 states have return successors, (60), 41 states have call predecessors, (60), 46 states have call successors, (60) [2022-12-13 19:09:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 400 transitions. [2022-12-13 19:09:54,305 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 400 transitions. Word has length 34 [2022-12-13 19:09:54,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:54,305 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 400 transitions. [2022-12-13 19:09:54,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 400 transitions. [2022-12-13 19:09:54,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 19:09:54,308 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:54,308 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:54,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:09:54,308 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:54,309 INFO L85 PathProgramCache]: Analyzing trace with hash -261508897, now seen corresponding path program 1 times [2022-12-13 19:09:54,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:54,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908952465] [2022-12-13 19:09:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:54,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:09:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:09:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 19:09:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:09:54,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:54,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908952465] [2022-12-13 19:09:54,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908952465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:54,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:54,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:09:54,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139478165] [2022-12-13 19:09:54,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:54,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:54,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:54,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:54,485 INFO L87 Difference]: Start difference. First operand 313 states and 400 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 19:09:54,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:54,668 INFO L93 Difference]: Finished difference Result 690 states and 909 transitions. [2022-12-13 19:09:54,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:09:54,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-12-13 19:09:54,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:54,671 INFO L225 Difference]: With dead ends: 690 [2022-12-13 19:09:54,671 INFO L226 Difference]: Without dead ends: 385 [2022-12-13 19:09:54,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:09:54,673 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 80 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:54,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 410 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:54,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-12-13 19:09:54,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 373. [2022-12-13 19:09:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 274 states have (on average 1.27007299270073) internal successors, (348), 295 states have internal predecessors, (348), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2022-12-13 19:09:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 472 transitions. [2022-12-13 19:09:54,711 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 472 transitions. Word has length 61 [2022-12-13 19:09:54,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:54,712 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 472 transitions. [2022-12-13 19:09:54,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 19:09:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 472 transitions. [2022-12-13 19:09:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 19:09:54,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:54,714 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:54,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:09:54,715 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:54,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:54,715 INFO L85 PathProgramCache]: Analyzing trace with hash -333895455, now seen corresponding path program 1 times [2022-12-13 19:09:54,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:54,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357705623] [2022-12-13 19:09:54,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:54,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:09:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:09:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 19:09:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:09:54,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:54,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357705623] [2022-12-13 19:09:54,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357705623] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:54,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:54,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:09:54,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510898468] [2022-12-13 19:09:54,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:54,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:09:54,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:54,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:09:54,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:09:54,859 INFO L87 Difference]: Start difference. First operand 373 states and 472 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 19:09:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:55,029 INFO L93 Difference]: Finished difference Result 756 states and 985 transitions. [2022-12-13 19:09:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:09:55,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-12-13 19:09:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:55,031 INFO L225 Difference]: With dead ends: 756 [2022-12-13 19:09:55,032 INFO L226 Difference]: Without dead ends: 391 [2022-12-13 19:09:55,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:09:55,033 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 122 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:55,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 453 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:55,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-12-13 19:09:55,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 377. [2022-12-13 19:09:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 278 states have (on average 1.2661870503597121) internal successors, (352), 299 states have internal predecessors, (352), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2022-12-13 19:09:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 476 transitions. [2022-12-13 19:09:55,063 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 476 transitions. Word has length 61 [2022-12-13 19:09:55,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:55,063 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 476 transitions. [2022-12-13 19:09:55,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 19:09:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 476 transitions. [2022-12-13 19:09:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 19:09:55,065 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:55,065 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:55,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:09:55,065 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:55,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:55,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1177900957, now seen corresponding path program 1 times [2022-12-13 19:09:55,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:55,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964307420] [2022-12-13 19:09:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:55,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:09:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:09:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 19:09:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:09:55,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:55,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964307420] [2022-12-13 19:09:55,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964307420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:55,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:55,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:09:55,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845890773] [2022-12-13 19:09:55,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:55,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:09:55,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:55,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:09:55,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:09:55,156 INFO L87 Difference]: Start difference. First operand 377 states and 476 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 19:09:55,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:55,385 INFO L93 Difference]: Finished difference Result 1076 states and 1414 transitions. [2022-12-13 19:09:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:09:55,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-12-13 19:09:55,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:55,388 INFO L225 Difference]: With dead ends: 1076 [2022-12-13 19:09:55,388 INFO L226 Difference]: Without dead ends: 707 [2022-12-13 19:09:55,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:09:55,389 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 249 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:55,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 350 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:09:55,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-12-13 19:09:55,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 700. [2022-12-13 19:09:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 518 states have (on average 1.2413127413127414) internal successors, (643), 551 states have internal predecessors, (643), 93 states have call successors, (93), 83 states have call predecessors, (93), 88 states have return successors, (152), 93 states have call predecessors, (152), 93 states have call successors, (152) [2022-12-13 19:09:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 888 transitions. [2022-12-13 19:09:55,429 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 888 transitions. Word has length 61 [2022-12-13 19:09:55,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:55,429 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 888 transitions. [2022-12-13 19:09:55,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 19:09:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 888 transitions. [2022-12-13 19:09:55,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 19:09:55,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:55,431 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:55,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:09:55,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:55,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:55,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1002671561, now seen corresponding path program 1 times [2022-12-13 19:09:55,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:55,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560155076] [2022-12-13 19:09:55,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:55,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:09:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:09:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:09:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 19:09:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:09:55,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:55,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560155076] [2022-12-13 19:09:55,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560155076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:55,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:55,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 19:09:55,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394932883] [2022-12-13 19:09:55,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:55,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:09:55,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:55,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:09:55,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:09:55,635 INFO L87 Difference]: Start difference. First operand 700 states and 888 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 19:09:56,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:56,458 INFO L93 Difference]: Finished difference Result 2275 states and 3020 transitions. [2022-12-13 19:09:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 19:09:56,459 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-12-13 19:09:56,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:56,467 INFO L225 Difference]: With dead ends: 2275 [2022-12-13 19:09:56,467 INFO L226 Difference]: Without dead ends: 1583 [2022-12-13 19:09:56,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 19:09:56,471 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 565 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:56,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 539 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 19:09:56,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-12-13 19:09:56,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1478. [2022-12-13 19:09:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1077 states have (on average 1.2079851439182916) internal successors, (1301), 1158 states have internal predecessors, (1301), 212 states have call successors, (212), 162 states have call predecessors, (212), 188 states have return successors, (387), 210 states have call predecessors, (387), 212 states have call successors, (387) [2022-12-13 19:09:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1900 transitions. [2022-12-13 19:09:56,570 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1900 transitions. Word has length 65 [2022-12-13 19:09:56,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:56,570 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 1900 transitions. [2022-12-13 19:09:56,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 19:09:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1900 transitions. [2022-12-13 19:09:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-13 19:09:56,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:56,574 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:56,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:09:56,574 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:56,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:56,575 INFO L85 PathProgramCache]: Analyzing trace with hash -936110750, now seen corresponding path program 1 times [2022-12-13 19:09:56,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:56,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066813963] [2022-12-13 19:09:56,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:56,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:09:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 19:09:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:09:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 19:09:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:09:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 19:09:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 19:09:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 19:09:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 19:09:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:09:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 19:09:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 19:09:56,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:56,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066813963] [2022-12-13 19:09:56,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066813963] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:09:56,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735567308] [2022-12-13 19:09:56,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:56,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:09:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:09:56,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:09:56,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:09:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:56,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 19:09:56,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 19:09:57,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:57,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735567308] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:57,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:09:57,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2022-12-13 19:09:57,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815939697] [2022-12-13 19:09:57,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:57,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 19:09:57,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:57,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 19:09:57,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-12-13 19:09:57,144 INFO L87 Difference]: Start difference. First operand 1478 states and 1900 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:09:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:57,367 INFO L93 Difference]: Finished difference Result 2952 states and 3800 transitions. [2022-12-13 19:09:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 19:09:57,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2022-12-13 19:09:57,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:57,382 INFO L225 Difference]: With dead ends: 2952 [2022-12-13 19:09:57,382 INFO L226 Difference]: Without dead ends: 1482 [2022-12-13 19:09:57,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-12-13 19:09:57,387 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 82 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:57,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1171 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:57,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2022-12-13 19:09:57,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2022-12-13 19:09:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1077 states have (on average 1.1940575673166203) internal successors, (1286), 1158 states have internal predecessors, (1286), 212 states have call successors, (212), 162 states have call predecessors, (212), 188 states have return successors, (344), 210 states have call predecessors, (344), 212 states have call successors, (344) [2022-12-13 19:09:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1842 transitions. [2022-12-13 19:09:57,488 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1842 transitions. Word has length 127 [2022-12-13 19:09:57,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:57,488 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 1842 transitions. [2022-12-13 19:09:57,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:09:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1842 transitions. [2022-12-13 19:09:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-13 19:09:57,491 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:57,491 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:57,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:09:57,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:09:57,692 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:57,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash -921698978, now seen corresponding path program 1 times [2022-12-13 19:09:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:57,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090684732] [2022-12-13 19:09:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 19:09:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:09:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 19:09:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:09:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 19:09:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:09:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:09:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:09:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:09:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:09:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:09:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 19:09:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 19:09:57,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:57,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090684732] [2022-12-13 19:09:57,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090684732] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:09:57,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905997632] [2022-12-13 19:09:57,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:57,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:09:57,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:09:57,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:09:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:09:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:58,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 19:09:58,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 19:09:58,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:58,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905997632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:58,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:09:58,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-12-13 19:09:58,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306574921] [2022-12-13 19:09:58,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:58,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 19:09:58,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:58,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 19:09:58,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-12-13 19:09:58,132 INFO L87 Difference]: Start difference. First operand 1478 states and 1842 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:09:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:58,337 INFO L93 Difference]: Finished difference Result 2558 states and 3230 transitions. [2022-12-13 19:09:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 19:09:58,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2022-12-13 19:09:58,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:58,338 INFO L225 Difference]: With dead ends: 2558 [2022-12-13 19:09:58,338 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:09:58,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-12-13 19:09:58,343 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 79 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:58,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 949 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:09:58,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:09:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:09:58,344 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) [2022-12-13 19:09:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:09:58,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-12-13 19:09:58,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:58,344 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:09:58,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 19:09:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:09:58,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:09:58,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 19:09:58,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:09:58,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 19:09:58,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:10:02,254 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 521 528) no Hoare annotation was computed. [2022-12-13 19:10:02,255 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 521 528) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-12-13 19:10:02,255 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 521 528) no Hoare annotation was computed. [2022-12-13 19:10:02,255 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 411 417) no Hoare annotation was computed. [2022-12-13 19:10:02,255 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 411 417) the Hoare annotation is: true [2022-12-13 19:10:02,255 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 304 312) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-12-13 19:10:02,256 INFO L895 garLoopResultBuilder]: At program point L459(line 459) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-12-13 19:10:02,256 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 445 469) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-12-13 19:10:02,256 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-12-13 19:10:02,256 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 461) no Hoare annotation was computed. [2022-12-13 19:10:02,256 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 466) no Hoare annotation was computed. [2022-12-13 19:10:02,256 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 604 622) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-12-13 19:10:02,256 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 445 469) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 445 469) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point L613-2(lines 613 617) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 237 248) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1) (or (<= 1 ~methaneLevelCritical~0) .cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 257) the Hoare annotation is: true [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 249 257) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L895 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse3) .cse4) (or .cse0 .cse2) (or .cse3 .cse1 .cse4))) [2022-12-13 19:10:02,257 INFO L895 garLoopResultBuilder]: At program point L477(line 477) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point L477-1(line 477) no Hoare annotation was computed. [2022-12-13 19:10:02,257 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 198) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 221) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 201) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L895 garLoopResultBuilder]: At program point L217-2(lines 213 224) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-12-13 19:10:02,258 INFO L895 garLoopResultBuilder]: At program point L184-1(lines 176 204) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not .cse3)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 (and .cse5 .cse2) .cse6 (and .cse1 .cse5 .cse7)) (or .cse4 (and .cse1 .cse5) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (and .cse1 .cse2 .cse7) .cse6 (and (<= 2 ~waterLevel~0) .cse7) .cse3)))) [2022-12-13 19:10:02,258 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not .cse1)) (.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not .cse11)) (.cse2 (and .cse6 .cse7 .cse11 .cse9 .cse10)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not .cse8)) (.cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse4 .cse5) (or .cse4 .cse5 .cse1))))) [2022-12-13 19:10:02,258 INFO L895 garLoopResultBuilder]: At program point L490-1(lines 471 495) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse5))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 2 ~waterLevel~0) .cse2 .cse5)))) [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 387 410) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point L391-1(lines 390 409) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 487) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 492) no Hoare annotation was computed. [2022-12-13 19:10:02,258 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse0 .cse4)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and .cse4 (not .cse2)) .cse5 .cse6) (or .cse3 .cse5 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 2 ~waterLevel~0) .cse6 .cse2)))) [2022-12-13 19:10:02,259 INFO L899 garLoopResultBuilder]: For program point L182-1(line 182) no Hoare annotation was computed. [2022-12-13 19:10:02,259 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 156 163) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2022-12-13 19:10:02,259 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 387 410) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2)))) [2022-12-13 19:10:02,259 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-12-13 19:10:02,259 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 387 410) no Hoare annotation was computed. [2022-12-13 19:10:02,259 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 540 548) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or (and .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse4 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse5))) [2022-12-13 19:10:02,259 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2022-12-13 19:10:02,259 INFO L895 garLoopResultBuilder]: At program point L485(line 485) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2022-12-13 19:10:02,259 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-12-13 19:10:02,259 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-12-13 19:10:02,259 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-12-13 19:10:02,259 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-12-13 19:10:02,259 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-12-13 19:10:02,259 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-12-13 19:10:02,260 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 351) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L895 garLoopResultBuilder]: At program point L370(lines 325 372) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-12-13 19:10:02,260 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-12-13 19:10:02,260 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 118 128) the Hoare annotation is: true [2022-12-13 19:10:02,260 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 650 656) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 19:10:02,260 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 132 154) the Hoare annotation is: true [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L326(lines 325 372) no Hoare annotation was computed. [2022-12-13 19:10:02,260 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 368) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-12-13 19:10:02,261 INFO L902 garLoopResultBuilder]: At program point L376(lines 315 380) the Hoare annotation is: true [2022-12-13 19:10:02,261 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 657 663) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 19:10:02,261 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 168 175) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 19:10:02,261 INFO L895 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-12-13 19:10:02,261 INFO L895 garLoopResultBuilder]: At program point L373(lines 324 374) the Hoare annotation is: false [2022-12-13 19:10:02,261 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 623 637) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3))) [2022-12-13 19:10:02,261 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2022-12-13 19:10:02,261 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 664 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 19:10:02,262 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 367) no Hoare annotation was computed. [2022-12-13 19:10:02,262 INFO L895 garLoopResultBuilder]: At program point L361-2(lines 355 368) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2022-12-13 19:10:02,262 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-12-13 19:10:02,262 INFO L899 garLoopResultBuilder]: For program point L438-1(lines 419 443) no Hoare annotation was computed. [2022-12-13 19:10:02,262 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 419 443) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-12-13 19:10:02,262 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 300) no Hoare annotation was computed. [2022-12-13 19:10:02,262 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 290 303) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse2 .cse3 (<= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse1 .cse3))))) [2022-12-13 19:10:02,262 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 517) no Hoare annotation was computed. [2022-12-13 19:10:02,262 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 585 603) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 .cse4 (<= 2 ~waterLevel~0))) (.cse1 (and .cse3 .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2)))) [2022-12-13 19:10:02,262 INFO L895 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-12-13 19:10:02,262 INFO L895 garLoopResultBuilder]: At program point L511-2(lines 504 520) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse0 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-12-13 19:10:02,262 INFO L899 garLoopResultBuilder]: For program point L509-1(line 509) no Hoare annotation was computed. [2022-12-13 19:10:02,262 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 419 443) no Hoare annotation was computed. [2022-12-13 19:10:02,262 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point L594-2(lines 594 598) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 435) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 440) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 496 503) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 236) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 .cse1))) [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 529 539) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 529 539) the Hoare annotation is: true [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 529 539) no Hoare annotation was computed. [2022-12-13 19:10:02,263 INFO L902 garLoopResultBuilder]: At program point L534(line 534) the Hoare annotation is: true [2022-12-13 19:10:02,263 INFO L899 garLoopResultBuilder]: For program point L534-1(line 534) no Hoare annotation was computed. [2022-12-13 19:10:02,266 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:02,267 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:10:02,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:10:02 BoogieIcfgContainer [2022-12-13 19:10:02,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:10:02,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:10:02,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:10:02,282 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:10:02,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:09:53" (3/4) ... [2022-12-13 19:10:02,285 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-12-13 19:10:02,290 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-12-13 19:10:02,297 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-13 19:10:02,297 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 19:10:02,298 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:10:02,298 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:10:02,298 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:10:02,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-12-13 19:10:02,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-12-13 19:10:02,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-12-13 19:10:02,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-12-13 19:10:02,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-12-13 19:10:02,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-12-13 19:10:02,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || ((pumpRunning == 0 && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || 0 == systemActive) [2022-12-13 19:10:02,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) [2022-12-13 19:10:02,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-12-13 19:10:02,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-12-13 19:10:02,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-12-13 19:10:02,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-12-13 19:10:02,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) [2022-12-13 19:10:02,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-12-13 19:10:02,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-12-13 19:10:02,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) [2022-12-13 19:10:02,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:10:02,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:10:02,336 INFO L158 Benchmark]: Toolchain (without parser) took 9981.57ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 86.5MB in the beginning and 118.8MB in the end (delta: -32.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-12-13 19:10:02,336 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:10:02,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.96ms. Allocated memory is still 125.8MB. Free memory was 86.5MB in the beginning and 67.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:10:02,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 125.8MB. Free memory was 67.3MB in the beginning and 65.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:10:02,337 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 125.8MB. Free memory was 65.0MB in the beginning and 63.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:10:02,337 INFO L158 Benchmark]: RCFGBuilder took 406.15ms. Allocated memory is still 125.8MB. Free memory was 63.1MB in the beginning and 82.9MB in the end (delta: -19.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-12-13 19:10:02,337 INFO L158 Benchmark]: TraceAbstraction took 9057.67ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 82.2MB in the beginning and 125.1MB in the end (delta: -42.9MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2022-12-13 19:10:02,338 INFO L158 Benchmark]: Witness Printer took 53.17ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 118.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 19:10:02,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.96ms. Allocated memory is still 125.8MB. Free memory was 86.5MB in the beginning and 67.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 125.8MB. Free memory was 67.3MB in the beginning and 65.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 125.8MB. Free memory was 65.0MB in the beginning and 63.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.15ms. Allocated memory is still 125.8MB. Free memory was 63.1MB in the beginning and 82.9MB in the end (delta: -19.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9057.67ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 82.2MB in the beginning and 125.1MB in the end (delta: -42.9MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. * Witness Printer took 53.17ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 118.8MB 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: 160]: 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 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1581 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1544 mSDsluCounter, 5283 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3877 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2067 IncrementalHoareTripleChecker+Invalid, 2521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 1406 mSDtfsCounter, 2067 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 471 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1478occurred in iteration=8, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 3057 PreInvPairs, 3616 NumberOfFragments, 1646 HoareAnnotationTreeSize, 3057 FomulaSimplifications, 298 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 52 FomulaSimplificationsInter, 23765 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 863 NumberOfCodeBlocks, 863 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 851 ConstructedInterpolants, 0 QuantifiedInterpolants, 1403 SizeOfPredicates, 6 NumberOfNonLiveVariables, 806 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 194/212 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: 471]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || ((pumpRunning == 0 && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 19:10:02,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90b3d166-58f8-48bd-8a9b-14e4fe7c856a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE