./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a --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 a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- 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-b5237d8 [2022-11-21 16:12:46,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:12:46,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:12:46,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:12:46,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:12:46,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:12:46,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:12:46,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:12:46,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:12:46,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:12:46,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:12:46,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:12:46,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:12:46,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:12:46,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:12:46,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:12:46,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:12:46,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:12:46,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:12:46,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:12:46,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:12:46,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:12:46,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:12:46,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:12:46,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:12:46,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:12:46,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:12:46,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:12:46,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:12:46,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:12:46,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:12:46,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:12:46,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:12:46,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:12:46,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:12:46,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:12:46,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:12:46,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:12:46,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:12:46,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:12:46,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:12:46,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:12:46,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:12:46,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:12:46,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:12:46,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:12:46,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:12:46,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:12:46,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:12:46,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:12:46,590 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:12:46,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:12:46,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:12:46,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:12:46,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:12:46,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:12:46,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:12:46,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:12:46,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:12:46,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:12:46,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:12:46,594 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:12:46,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:12:46,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:12:46,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:12:46,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:12:46,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:12:46,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:12:46,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:12:46,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:12:46,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:12:46,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:12:46,597 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:12:46,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:12:46,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:12:46,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2022-11-21 16:12:46,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:12:46,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:12:46,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:12:46,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:12:46,997 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:12:46,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2022-11-21 16:12:50,223 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:12:50,612 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:12:50,626 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2022-11-21 16:12:50,647 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/data/eedb9a03c/f13561dd081f48c5a1a8243265ce9dd2/FLAGac7a3ee22 [2022-11-21 16:12:50,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/data/eedb9a03c/f13561dd081f48c5a1a8243265ce9dd2 [2022-11-21 16:12:50,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:12:50,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:12:50,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:12:50,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:12:50,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:12:50,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:12:50" (1/1) ... [2022-11-21 16:12:50,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf0d921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:50, skipping insertion in model container [2022-11-21 16:12:50,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:12:50" (1/1) ... [2022-11-21 16:12:50,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:12:50,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:12:51,086 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_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2022-11-21 16:12:51,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:12:51,312 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:12:51,352 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_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2022-11-21 16:12:51,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:12:51,466 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:12:51,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51 WrapperNode [2022-11-21 16:12:51,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:12:51,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:12:51,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:12:51,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:12:51,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,541 INFO L138 Inliner]: procedures = 59, calls = 104, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 226 [2022-11-21 16:12:51,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:12:51,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:12:51,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:12:51,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:12:51,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:12:51,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:12:51,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:12:51,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:12:51,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (1/1) ... [2022-11-21 16:12:51,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:12:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:12:51,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:12:51,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:12:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:12:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-21 16:12:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-21 16:12:51,724 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-21 16:12:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-21 16:12:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-21 16:12:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-21 16:12:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-21 16:12:51,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-21 16:12:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:12:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:12:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-21 16:12:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-21 16:12:51,730 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-21 16:12:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-21 16:12:51,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:12:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-21 16:12:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-21 16:12:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:12:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:12:51,838 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:12:51,841 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:12:52,255 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:12:52,265 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:12:52,265 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:12:52,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:12:52 BoogieIcfgContainer [2022-11-21 16:12:52,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:12:52,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:12:52,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:12:52,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:12:52,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:12:50" (1/3) ... [2022-11-21 16:12:52,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8269e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:12:52, skipping insertion in model container [2022-11-21 16:12:52,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:51" (2/3) ... [2022-11-21 16:12:52,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8269e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:12:52, skipping insertion in model container [2022-11-21 16:12:52,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:12:52" (3/3) ... [2022-11-21 16:12:52,280 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2022-11-21 16:12:52,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:12:52,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:12:52,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:12:52,409 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;@754e2c75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:12:52,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:12:52,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-21 16:12:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 16:12:52,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:52,435 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] [2022-11-21 16:12:52,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:52,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:52,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1691208954, now seen corresponding path program 1 times [2022-11-21 16:12:52,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:52,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788468935] [2022-11-21 16:12:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:52,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 16:12:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:12:52,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:52,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788468935] [2022-11-21 16:12:52,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788468935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:52,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:52,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:12:52,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287823899] [2022-11-21 16:12:52,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:52,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:12:52,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:52,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:12:52,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:12:52,845 INFO L87 Difference]: Start difference. First operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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) [2022-11-21 16:12:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:52,919 INFO L93 Difference]: Finished difference Result 193 states and 262 transitions. [2022-11-21 16:12:52,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:12:52,924 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 [2022-11-21 16:12:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:52,935 INFO L225 Difference]: With dead ends: 193 [2022-11-21 16:12:52,935 INFO L226 Difference]: Without dead ends: 92 [2022-11-21 16:12:52,939 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 [2022-11-21 16:12:52,943 INFO L413 NwaCegarLoop]: 128 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, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:52,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:12:52,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-21 16:12:52,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-21 16:12:52,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 78 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 16:12:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-11-21 16:12:52,997 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25 [2022-11-21 16:12:52,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:52,997 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-11-21 16:12:52,998 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) [2022-11-21 16:12:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-11-21 16:12:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 16:12:53,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:53,002 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] [2022-11-21 16:12:53,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:12:53,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:53,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash 356391721, now seen corresponding path program 1 times [2022-11-21 16:12:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:53,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188861319] [2022-11-21 16:12:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:53,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:12:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:12:53,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:53,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188861319] [2022-11-21 16:12:53,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188861319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:53,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:53,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:12:53,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795487578] [2022-11-21 16:12:53,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:53,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:12:53,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:53,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:12:53,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:12:53,153 INFO L87 Difference]: Start difference. First operand 92 states and 119 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) [2022-11-21 16:12:53,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:53,179 INFO L93 Difference]: Finished difference Result 144 states and 186 transitions. [2022-11-21 16:12:53,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:12:53,180 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 [2022-11-21 16:12:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:53,182 INFO L225 Difference]: With dead ends: 144 [2022-11-21 16:12:53,182 INFO L226 Difference]: Without dead ends: 83 [2022-11-21 16:12:53,183 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 [2022-11-21 16:12:53,185 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:53,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:12:53,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-21 16:12:53,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-21 16:12:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.328125) internal successors, (85), 72 states have internal predecessors, (85), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-21 16:12:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2022-11-21 16:12:53,201 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 26 [2022-11-21 16:12:53,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:53,202 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2022-11-21 16:12:53,202 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) [2022-11-21 16:12:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2022-11-21 16:12:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 16:12:53,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:53,204 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] [2022-11-21 16:12:53,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:12:53,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:53,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1826063129, now seen corresponding path program 1 times [2022-11-21 16:12:53,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:53,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936049506] [2022-11-21 16:12:53,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:53,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:12:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:12:53,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:53,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936049506] [2022-11-21 16:12:53,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936049506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:53,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:53,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:12:53,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583447837] [2022-11-21 16:12:53,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:53,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:12:53,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:53,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:12:53,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:12:53,396 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-21 16:12:53,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:53,531 INFO L93 Difference]: Finished difference Result 201 states and 263 transitions. [2022-11-21 16:12:53,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:12:53,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-11-21 16:12:53,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:53,534 INFO L225 Difference]: With dead ends: 201 [2022-11-21 16:12:53,534 INFO L226 Difference]: Without dead ends: 126 [2022-11-21 16:12:53,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:12:53,537 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 172 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:53,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 363 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:12:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-21 16:12:53,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2022-11-21 16:12:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 94 states have (on average 1.351063829787234) internal successors, (127), 105 states have internal predecessors, (127), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2022-11-21 16:12:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 160 transitions. [2022-11-21 16:12:53,562 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 160 transitions. Word has length 31 [2022-11-21 16:12:53,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:53,563 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 160 transitions. [2022-11-21 16:12:53,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-21 16:12:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions. [2022-11-21 16:12:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 16:12:53,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:53,566 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] [2022-11-21 16:12:53,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:12:53,566 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:53,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1496608149, now seen corresponding path program 1 times [2022-11-21 16:12:53,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:53,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998897522] [2022-11-21 16:12:53,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:53,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 16:12:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:12:53,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:53,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998897522] [2022-11-21 16:12:53,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998897522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:53,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:53,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:12:53,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099216564] [2022-11-21 16:12:53,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:53,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:12:53,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:53,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:12:53,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:12:53,683 INFO L87 Difference]: Start difference. First operand 123 states and 160 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) [2022-11-21 16:12:53,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:53,797 INFO L93 Difference]: Finished difference Result 283 states and 379 transitions. [2022-11-21 16:12:53,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:12:53,798 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 [2022-11-21 16:12:53,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:53,800 INFO L225 Difference]: With dead ends: 283 [2022-11-21 16:12:53,800 INFO L226 Difference]: Without dead ends: 168 [2022-11-21 16:12:53,802 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 [2022-11-21 16:12:53,803 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 85 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:53,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 400 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:12:53,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-21 16:12:53,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 158. [2022-11-21 16:12:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 121 states have (on average 1.2892561983471074) internal successors, (156), 132 states have internal predecessors, (156), 19 states have call successors, (19), 17 states have call predecessors, (19), 17 states have return successors, (25), 18 states have call predecessors, (25), 19 states have call successors, (25) [2022-11-21 16:12:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 200 transitions. [2022-11-21 16:12:53,835 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 200 transitions. Word has length 34 [2022-11-21 16:12:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:53,836 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 200 transitions. [2022-11-21 16:12:53,836 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) [2022-11-21 16:12:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2022-11-21 16:12:53,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 16:12:53,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:53,839 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] [2022-11-21 16:12:53,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:12:53,840 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:53,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1570330873, now seen corresponding path program 1 times [2022-11-21 16:12:53,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:53,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070343841] [2022-11-21 16:12:53,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:53,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:12:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:12:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 16:12:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:12:54,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:54,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070343841] [2022-11-21 16:12:54,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070343841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:54,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:54,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:12:54,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575833669] [2022-11-21 16:12:54,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:54,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:12:54,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:54,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:12:54,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:12:54,180 INFO L87 Difference]: Start difference. First operand 158 states and 200 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:12:54,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:54,437 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2022-11-21 16:12:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:12:54,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 53 [2022-11-21 16:12:54,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:54,444 INFO L225 Difference]: With dead ends: 341 [2022-11-21 16:12:54,444 INFO L226 Difference]: Without dead ends: 191 [2022-11-21 16:12:54,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:12:54,449 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 68 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:54,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 379 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:12:54,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-21 16:12:54,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2022-11-21 16:12:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 142 states have (on average 1.2746478873239437) internal successors, (181), 153 states have internal predecessors, (181), 21 states have call successors, (21), 17 states have call predecessors, (21), 20 states have return successors, (30), 22 states have call predecessors, (30), 21 states have call successors, (30) [2022-11-21 16:12:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 232 transitions. [2022-11-21 16:12:54,481 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 232 transitions. Word has length 53 [2022-11-21 16:12:54,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:54,481 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 232 transitions. [2022-11-21 16:12:54,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:12:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 232 transitions. [2022-11-21 16:12:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 16:12:54,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:54,486 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] [2022-11-21 16:12:54,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:12:54,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:54,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:54,493 INFO L85 PathProgramCache]: Analyzing trace with hash -801408389, now seen corresponding path program 1 times [2022-11-21 16:12:54,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:54,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041641690] [2022-11-21 16:12:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:54,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:12:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:12:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 16:12:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:12:54,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:54,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041641690] [2022-11-21 16:12:54,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041641690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:54,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:54,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:12:54,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019869865] [2022-11-21 16:12:54,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:54,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:12:54,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:54,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:12:54,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:12:54,749 INFO L87 Difference]: Start difference. First operand 184 states and 232 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:12:54,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:54,991 INFO L93 Difference]: Finished difference Result 373 states and 483 transitions. [2022-11-21 16:12:54,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:12:54,992 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 53 [2022-11-21 16:12:54,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:54,995 INFO L225 Difference]: With dead ends: 373 [2022-11-21 16:12:54,995 INFO L226 Difference]: Without dead ends: 197 [2022-11-21 16:12:54,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:12:55,006 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 120 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:55,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 415 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:12:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-21 16:12:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 186. [2022-11-21 16:12:55,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 144 states have (on average 1.2708333333333333) internal successors, (183), 155 states have internal predecessors, (183), 21 states have call successors, (21), 17 states have call predecessors, (21), 20 states have return successors, (30), 22 states have call predecessors, (30), 21 states have call successors, (30) [2022-11-21 16:12:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 234 transitions. [2022-11-21 16:12:55,054 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 234 transitions. Word has length 53 [2022-11-21 16:12:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:55,055 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 234 transitions. [2022-11-21 16:12:55,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:12:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 234 transitions. [2022-11-21 16:12:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 16:12:55,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:55,062 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] [2022-11-21 16:12:55,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:12:55,063 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:55,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:55,064 INFO L85 PathProgramCache]: Analyzing trace with hash 584795005, now seen corresponding path program 1 times [2022-11-21 16:12:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:55,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405834045] [2022-11-21 16:12:55,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:55,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:12:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:12:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 16:12:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:12:55,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:55,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405834045] [2022-11-21 16:12:55,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405834045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:55,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:55,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:12:55,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175659495] [2022-11-21 16:12:55,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:55,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:12:55,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:55,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:12:55,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:12:55,225 INFO L87 Difference]: Start difference. First operand 186 states and 234 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:12:55,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:55,536 INFO L93 Difference]: Finished difference Result 557 states and 730 transitions. [2022-11-21 16:12:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:12:55,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 53 [2022-11-21 16:12:55,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:55,566 INFO L225 Difference]: With dead ends: 557 [2022-11-21 16:12:55,566 INFO L226 Difference]: Without dead ends: 379 [2022-11-21 16:12:55,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:12:55,573 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 222 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:55,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 326 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:12:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-11-21 16:12:55,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 377. [2022-11-21 16:12:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 289 states have (on average 1.2491349480968859) internal successors, (361), 308 states have internal predecessors, (361), 45 states have call successors, (45), 42 states have call predecessors, (45), 42 states have return successors, (71), 44 states have call predecessors, (71), 45 states have call successors, (71) [2022-11-21 16:12:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 477 transitions. [2022-11-21 16:12:55,645 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 477 transitions. Word has length 53 [2022-11-21 16:12:55,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:55,650 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 477 transitions. [2022-11-21 16:12:55,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:12:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 477 transitions. [2022-11-21 16:12:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 16:12:55,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:55,654 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] [2022-11-21 16:12:55,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:12:55,654 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:55,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:55,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2002712797, now seen corresponding path program 1 times [2022-11-21 16:12:55,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:55,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023434149] [2022-11-21 16:12:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:12:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:12:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:12:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:12:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:12:55,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:55,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023434149] [2022-11-21 16:12:55,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023434149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:55,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:55,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 16:12:55,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656765922] [2022-11-21 16:12:55,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:55,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:12:55,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:55,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:12:55,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:12:55,925 INFO L87 Difference]: Start difference. First operand 377 states and 477 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:12:56,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:56,910 INFO L93 Difference]: Finished difference Result 1220 states and 1619 transitions. [2022-11-21 16:12:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-21 16:12:56,911 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-11-21 16:12:56,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:56,916 INFO L225 Difference]: With dead ends: 1220 [2022-11-21 16:12:56,917 INFO L226 Difference]: Without dead ends: 851 [2022-11-21 16:12:56,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2022-11-21 16:12:56,920 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 391 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:56,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 617 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 16:12:56,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2022-11-21 16:12:57,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 793. [2022-11-21 16:12:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 599 states have (on average 1.2170283806343907) internal successors, (729), 645 states have internal predecessors, (729), 101 states have call successors, (101), 82 states have call predecessors, (101), 92 states have return successors, (181), 99 states have call predecessors, (181), 101 states have call successors, (181) [2022-11-21 16:12:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1011 transitions. [2022-11-21 16:12:57,054 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1011 transitions. Word has length 57 [2022-11-21 16:12:57,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:57,055 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 1011 transitions. [2022-11-21 16:12:57,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:12:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1011 transitions. [2022-11-21 16:12:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-21 16:12:57,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:57,059 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-21 16:12:57,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:12:57,060 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:57,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 984940751, now seen corresponding path program 1 times [2022-11-21 16:12:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:57,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941074766] [2022-11-21 16:12:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:12:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:12:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:12:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:12:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:12:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:12:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 16:12:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:12:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:12:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 16:12:57,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:57,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941074766] [2022-11-21 16:12:57,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941074766] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:12:57,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366539065] [2022-11-21 16:12:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:57,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:12:57,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:12:57,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:12:57,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:12:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:57,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:12:57,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:12:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:12:57,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:12:57,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366539065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:57,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:12:57,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-11-21 16:12:57,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494991575] [2022-11-21 16:12:57,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:57,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:12:57,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:57,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:12:57,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:12:57,643 INFO L87 Difference]: Start difference. First operand 793 states and 1011 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 16:12:57,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:12:57,851 INFO L93 Difference]: Finished difference Result 1184 states and 1552 transitions. [2022-11-21 16:12:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:12:57,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2022-11-21 16:12:57,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:12:57,860 INFO L225 Difference]: With dead ends: 1184 [2022-11-21 16:12:57,860 INFO L226 Difference]: Without dead ends: 1182 [2022-11-21 16:12:57,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:12:57,862 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 55 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:12:57,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 213 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:12:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-11-21 16:12:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1070. [2022-11-21 16:12:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 805 states have (on average 1.2285714285714286) internal successors, (989), 874 states have internal predecessors, (989), 144 states have call successors, (144), 112 states have call predecessors, (144), 120 states have return successors, (291), 126 states have call predecessors, (291), 144 states have call successors, (291) [2022-11-21 16:12:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1424 transitions. [2022-11-21 16:12:58,015 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1424 transitions. Word has length 100 [2022-11-21 16:12:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:12:58,016 INFO L495 AbstractCegarLoop]: Abstraction has 1070 states and 1424 transitions. [2022-11-21 16:12:58,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 16:12:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1424 transitions. [2022-11-21 16:12:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-21 16:12:58,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:12:58,026 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-21 16:12:58,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 16:12:58,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:12:58,233 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:12:58,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:58,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1042607335, now seen corresponding path program 1 times [2022-11-21 16:12:58,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:58,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839564893] [2022-11-21 16:12:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:58,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:12:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:12:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:12:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:12:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:12:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:12:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:12:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:12:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:12:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:12:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:12:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:12:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 16:12:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 16:12:58,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:58,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839564893] [2022-11-21 16:12:58,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839564893] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:12:58,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213793136] [2022-11-21 16:12:58,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:58,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:12:58,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:12:58,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:12:58,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:12:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:58,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:12:58,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:12:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 68 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 16:12:59,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:12:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-21 16:12:59,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213793136] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:12:59,532 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:12:59,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-11-21 16:12:59,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812952316] [2022-11-21 16:12:59,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:12:59,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 16:12:59,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:59,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 16:12:59,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:12:59,537 INFO L87 Difference]: Start difference. First operand 1070 states and 1424 transitions. Second operand has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 6 states have call successors, (29), 10 states have call predecessors, (29), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-21 16:13:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:13:00,896 INFO L93 Difference]: Finished difference Result 2625 states and 3660 transitions. [2022-11-21 16:13:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-21 16:13:00,897 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 6 states have call successors, (29), 10 states have call predecessors, (29), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 142 [2022-11-21 16:13:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:13:00,909 INFO L225 Difference]: With dead ends: 2625 [2022-11-21 16:13:00,910 INFO L226 Difference]: Without dead ends: 1727 [2022-11-21 16:13:00,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 308 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=630, Unknown=0, NotChecked=0, Total=930 [2022-11-21 16:13:00,918 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 597 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:13:00,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 265 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:13:00,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2022-11-21 16:13:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1497. [2022-11-21 16:13:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1120 states have (on average 1.2366071428571428) internal successors, (1385), 1218 states have internal predecessors, (1385), 205 states have call successors, (205), 163 states have call predecessors, (205), 171 states have return successors, (433), 169 states have call predecessors, (433), 205 states have call successors, (433) [2022-11-21 16:13:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2023 transitions. [2022-11-21 16:13:01,133 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2023 transitions. Word has length 142 [2022-11-21 16:13:01,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:13:01,134 INFO L495 AbstractCegarLoop]: Abstraction has 1497 states and 2023 transitions. [2022-11-21 16:13:01,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 6 states have call successors, (29), 10 states have call predecessors, (29), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-21 16:13:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2023 transitions. [2022-11-21 16:13:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-21 16:13:01,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:13:01,141 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-21 16:13:01,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:13:01,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:13:01,364 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:13:01,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:13:01,365 INFO L85 PathProgramCache]: Analyzing trace with hash -343596059, now seen corresponding path program 1 times [2022-11-21 16:13:01,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:13:01,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266815893] [2022-11-21 16:13:01,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:13:01,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:13:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:13:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:13:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:13:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:13:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:13:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:13:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:13:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:13:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:13:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:13:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:13:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:13:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 16:13:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 16:13:01,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:13:01,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266815893] [2022-11-21 16:13:01,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266815893] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:13:01,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107040368] [2022-11-21 16:13:01,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:13:01,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:13:01,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:13:01,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:13:01,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:13:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:02,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 16:13:02,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:13:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:13:02,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:13:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-21 16:13:02,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107040368] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:13:02,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:13:02,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 18 [2022-11-21 16:13:02,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173280708] [2022-11-21 16:13:02,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:13:02,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-21 16:13:02,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:13:02,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-21 16:13:02,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2022-11-21 16:13:02,797 INFO L87 Difference]: Start difference. First operand 1497 states and 2023 transitions. Second operand has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-21 16:13:06,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:13:06,144 INFO L93 Difference]: Finished difference Result 4251 states and 6104 transitions. [2022-11-21 16:13:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-21 16:13:06,145 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 142 [2022-11-21 16:13:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:13:06,172 INFO L225 Difference]: With dead ends: 4251 [2022-11-21 16:13:06,172 INFO L226 Difference]: Without dead ends: 2922 [2022-11-21 16:13:06,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 304 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=628, Invalid=1922, Unknown=0, NotChecked=0, Total=2550 [2022-11-21 16:13:06,184 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 1000 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:13:06,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 504 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-21 16:13:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2022-11-21 16:13:06,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2363. [2022-11-21 16:13:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2363 states, 1762 states have (on average 1.2275822928490352) internal successors, (2163), 1898 states have internal predecessors, (2163), 325 states have call successors, (325), 273 states have call predecessors, (325), 275 states have return successors, (640), 268 states have call predecessors, (640), 325 states have call successors, (640) [2022-11-21 16:13:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3128 transitions. [2022-11-21 16:13:06,568 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3128 transitions. Word has length 142 [2022-11-21 16:13:06,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:13:06,568 INFO L495 AbstractCegarLoop]: Abstraction has 2363 states and 3128 transitions. [2022-11-21 16:13:06,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-21 16:13:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3128 transitions. [2022-11-21 16:13:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-21 16:13:06,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:13:06,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-21 16:13:06,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-21 16:13:06,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-21 16:13:06,789 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:13:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:13:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1208818945, now seen corresponding path program 1 times [2022-11-21 16:13:06,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:13:06,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301287384] [2022-11-21 16:13:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:13:06,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:13:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:13:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:13:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:13:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:13:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:13:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:13:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:13:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:13:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:13:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:13:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:13:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 16:13:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:13:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 16:13:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 48 proven. 20 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-21 16:13:07,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:13:07,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301287384] [2022-11-21 16:13:07,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301287384] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:13:07,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708573748] [2022-11-21 16:13:07,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:13:07,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:13:07,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:13:07,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:13:07,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:13:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:07,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 16:13:07,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:13:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-21 16:13:07,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:13:07,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708573748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:13:07,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:13:07,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2022-11-21 16:13:07,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617113872] [2022-11-21 16:13:07,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:13:07,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:13:07,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:13:07,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:13:07,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:13:07,562 INFO L87 Difference]: Start difference. First operand 2363 states and 3128 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-21 16:13:07,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:13:07,967 INFO L93 Difference]: Finished difference Result 4710 states and 6258 transitions. [2022-11-21 16:13:07,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:13:07,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 146 [2022-11-21 16:13:07,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:13:07,985 INFO L225 Difference]: With dead ends: 4710 [2022-11-21 16:13:07,985 INFO L226 Difference]: Without dead ends: 2355 [2022-11-21 16:13:07,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:13:07,995 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 81 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:13:07,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 560 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:13:08,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2022-11-21 16:13:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2146. [2022-11-21 16:13:08,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1610 states have (on average 1.2111801242236024) internal successors, (1950), 1722 states have internal predecessors, (1950), 289 states have call successors, (289), 244 states have call predecessors, (289), 246 states have return successors, (485), 246 states have call predecessors, (485), 289 states have call successors, (485) [2022-11-21 16:13:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2724 transitions. [2022-11-21 16:13:08,272 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2724 transitions. Word has length 146 [2022-11-21 16:13:08,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:13:08,273 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2724 transitions. [2022-11-21 16:13:08,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-21 16:13:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2724 transitions. [2022-11-21 16:13:08,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-21 16:13:08,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:13:08,280 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-21 16:13:08,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:13:08,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-21 16:13:08,486 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:13:08,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:13:08,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1075563485, now seen corresponding path program 2 times [2022-11-21 16:13:08,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:13:08,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062350496] [2022-11-21 16:13:08,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:13:08,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:13:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:13:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:13:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:13:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:13:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:13:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:13:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:13:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:13:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:13:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:13:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:13:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:13:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 16:13:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:13:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-21 16:13:08,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:13:08,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062350496] [2022-11-21 16:13:08,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062350496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:13:08,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:13:08,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 16:13:08,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453203041] [2022-11-21 16:13:08,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:13:08,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:13:08,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:13:08,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:13:08,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:13:08,741 INFO L87 Difference]: Start difference. First operand 2146 states and 2724 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 16:13:09,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:13:09,592 INFO L93 Difference]: Finished difference Result 2759 states and 3451 transitions. [2022-11-21 16:13:09,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 16:13:09,593 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 142 [2022-11-21 16:13:09,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:13:09,594 INFO L225 Difference]: With dead ends: 2759 [2022-11-21 16:13:09,595 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:13:09,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:13:09,602 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 229 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:13:09,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 219 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 16:13:09,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:13:09,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:13:09,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:13:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:13:09,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2022-11-21 16:13:09,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:13:09,605 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:13:09,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 16:13:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:13:09,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:13:09,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:13:09,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:13:09,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:13:20,077 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 862 869) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2022-11-21 16:13:20,077 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 862 869) no Hoare annotation was computed. [2022-11-21 16:13:20,078 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 862 869) no Hoare annotation was computed. [2022-11-21 16:13:20,078 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 777 783) no Hoare annotation was computed. [2022-11-21 16:13:20,078 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 777 783) the Hoare annotation is: true [2022-11-21 16:13:20,078 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse4 .cse3) (or .cse1 .cse2 .cse5 .cse4 .cse3) (or .cse0 .cse2 .cse5 (= 0 ~systemActive~0) .cse3))) [2022-11-21 16:13:20,078 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-11-21 16:13:20,078 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-11-21 16:13:20,078 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-11-21 16:13:20,079 INFO L895 garLoopResultBuilder]: At program point L960(lines 945 963) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (let ((.cse13 (= ~waterLevel~0 0))) (or (and (not .cse13) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0)) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse13)))) (.cse10 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse4 (= 0 ~systemActive~0)) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse12 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 (and .cse5 .cse6 (= ~methAndRunningLastTime~0 0) .cse7 .cse8 .cse9 .cse10) .cse11) (or .cse12 (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse4 .cse11) (or .cse0 .cse2 .cse12))) [2022-11-21 16:13:20,079 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 ~systemActive~0)) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8) (or (and .cse6 (= ~methAndRunningLastTime~0 0) .cse7) .cse1 .cse3 .cse5 .cse8) (or .cse0 .cse2 .cse4))) [2022-11-21 16:13:20,079 INFO L895 garLoopResultBuilder]: At program point L886(lines 881 889) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse0 .cse1 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse2 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse4 .cse5) (or .cse6 .cse4 .cse5) (or .cse7 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 (and .cse0 .cse1 .cse8 (= ~waterLevel~0 1))) (or .cse7 (not (<= 1 |old(~waterLevel~0)|)) .cse6) (or .cse7 .cse2 .cse3 (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse8) .cse5))) [2022-11-21 16:13:20,079 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1016) no Hoare annotation was computed. [2022-11-21 16:13:20,079 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 753 776) no Hoare annotation was computed. [2022-11-21 16:13:20,080 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 (and .cse4 .cse5 (= ~methAndRunningLastTime~0 0) .cse6) .cse7 .cse8) (or .cse0 .cse2 .cse9) (or .cse9 .cse7 (and .cse4 .cse5 .cse6) .cse8))) [2022-11-21 16:13:20,080 INFO L895 garLoopResultBuilder]: At program point L825(line 825) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse1 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse4))) [2022-11-21 16:13:20,080 INFO L895 garLoopResultBuilder]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse6 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (let ((.cse14 (= ~waterLevel~0 0))) (or (and (not .cse14) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0)) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse14)))) (.cse10 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse11 (= 0 ~systemActive~0)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse13 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 (and .cse4 .cse5 (= ~methAndRunningLastTime~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) .cse11 .cse12) (or (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse13 .cse11 .cse12) (or .cse0 .cse2 .cse13))) [2022-11-21 16:13:20,080 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse22 (= ~waterLevel~0 0))) (let ((.cse17 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse21 (not .cse22))) (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse13 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (or (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse21) (and (= |timeShift_isLowWaterSensorDry_#res#1| 1) .cse22))) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse14 (or (and .cse21 (= |timeShift_isLowWaterLevel_~tmp~9#1| 0)) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse22))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse16 (not .cse7)) (.cse3 (and .cse5 .cse20 .cse6)) (.cse8 (<= 2 ~waterLevel~0)) (.cse10 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 (= ~waterLevel~0 1)) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse5 .cse12 .cse13 .cse9 .cse14 .cse15) .cse16 .cse17 .cse4) (let ((.cse19 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse18 (or (and .cse19 .cse5 .cse9) (and .cse11 .cse5 .cse9 .cse14)))) (or .cse1 .cse2 (and .cse12 .cse13 .cse18 .cse15) .cse17 (and .cse19 .cse18) .cse4))) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse16 .cse3 (and .cse7 .cse8 .cse20 .cse10)))))) [2022-11-21 16:13:20,081 INFO L899 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2022-11-21 16:13:20,081 INFO L899 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2022-11-21 16:13:20,081 INFO L895 garLoopResultBuilder]: At program point L830(line 830) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and .cse12 .cse7)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse10 (not .cse3)) (.cse11 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 (and .cse7 .cse8 .cse9 .cse10)) (or .cse11 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse12 .cse8 .cse9 .cse10) .cse11)))) [2022-11-21 16:13:20,081 INFO L895 garLoopResultBuilder]: At program point L830-1(lines 811 835) the Hoare annotation is: (let ((.cse21 (= ~waterLevel~0 0))) (let ((.cse20 (not .cse21)) (.cse11 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0))) (let ((.cse10 (not .cse0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not .cse11)) (.cse15 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse16 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse9 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (or (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse20) (and (= |timeShift_isLowWaterSensorDry_#res#1| 1) .cse21))) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (or (and .cse20 (= |timeShift_isLowWaterLevel_~tmp~9#1| 0)) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse21)))) (and (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9) .cse10 .cse11 .cse12) (or (and .cse5 .cse13 (= ~waterLevel~0 1) .cse3) .cse14 .cse15 (not (= |old(~waterLevel~0)| 1)) .cse16) (or .cse14 (not (<= 1 |old(~waterLevel~0)|)) .cse10 (and .cse5 .cse17 .cse13 .cse3) (and .cse0 .cse1 .cse17 .cse3)) (or .cse14 .cse15 .cse16 (and .cse17 .cse13 .cse3) .cse12) (let ((.cse19 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse18 (or (and .cse19 .cse5 .cse2) (and .cse4 .cse5 .cse2 .cse8)))) (or .cse15 .cse16 (and .cse6 .cse7 .cse18 .cse9) .cse11 (and .cse19 .cse18) .cse12))))))) [2022-11-21 16:13:20,081 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2022-11-21 16:13:20,082 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 958) no Hoare annotation was computed. [2022-11-21 16:13:20,082 INFO L899 garLoopResultBuilder]: For program point L954-2(lines 954 958) no Hoare annotation was computed. [2022-11-21 16:13:20,082 INFO L895 garLoopResultBuilder]: At program point L166(lines 161 168) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse1 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse4))) [2022-11-21 16:13:20,082 INFO L899 garLoopResultBuilder]: For program point L757-1(lines 756 775) no Hoare annotation was computed. [2022-11-21 16:13:20,082 INFO L899 garLoopResultBuilder]: For program point L819(lines 819 827) no Hoare annotation was computed. [2022-11-21 16:13:20,082 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1019) no Hoare annotation was computed. [2022-11-21 16:13:20,082 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 753 776) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (= ~pumpRunning~0 0) .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse5 .cse7 .cse0 .cse2 .cse3) (or .cse4 .cse6 .cse1 .cse8)))) [2022-11-21 16:13:20,083 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 832) no Hoare annotation was computed. [2022-11-21 16:13:20,083 INFO L899 garLoopResultBuilder]: For program point L1005(lines 1005 1022) no Hoare annotation was computed. [2022-11-21 16:13:20,083 INFO L895 garLoopResultBuilder]: At program point L1005-1(lines 997 1025) the Hoare annotation is: (let ((.cse20 (= ~waterLevel~0 0))) (let ((.cse11 (= 0 ~systemActive~0)) (.cse19 (not .cse20))) (let ((.cse18 (<= 2 ~waterLevel~0)) (.cse17 (not (= ~methaneLevelCritical~0 0))) (.cse4 (or (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse19) (and (= |timeShift_isLowWaterSensorDry_#res#1| 1) .cse20))) (.cse14 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (.cse6 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (or (and .cse19 (= |timeShift_isLowWaterLevel_~tmp~9#1| 0)) (and (= |timeShift_isLowWaterLevel_~tmp~9#1| 1) .cse20))) (.cse10 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse1 (not .cse11)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 .cse3 (and .cse4 .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse1) .cse11 .cse12) (or .cse13 (and .cse0 .cse5 .cse14 .cse15) .cse16 .cse17 (and .cse18 .cse15 .cse1)) (or (and .cse5 .cse14 .cse18 .cse8) .cse17 (and .cse4 .cse0 .cse5 .cse14 .cse6 .cse7 .cse8 .cse9 .cse10 .cse1) .cse11 .cse12) (or .cse13 .cse2 (and .cse0 .cse5 .cse15) .cse16 .cse3))))) [2022-11-21 16:13:20,083 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2022-11-21 16:13:20,083 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 165) no Hoare annotation was computed. [2022-11-21 16:13:20,083 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-21 16:13:20,083 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2022-11-21 16:13:20,084 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 172 201) the Hoare annotation is: true [2022-11-21 16:13:20,084 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2022-11-21 16:13:20,084 INFO L902 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2022-11-21 16:13:20,084 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-11-21 16:13:20,084 INFO L902 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2022-11-21 16:13:20,084 INFO L902 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2022-11-21 16:13:20,084 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2022-11-21 16:13:20,084 INFO L902 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2022-11-21 16:13:20,084 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2022-11-21 16:13:20,085 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2022-11-21 16:13:20,085 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2022-11-21 16:13:20,085 INFO L902 garLoopResultBuilder]: At program point L374(lines 311 378) the Hoare annotation is: true [2022-11-21 16:13:20,085 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2022-11-21 16:13:20,085 INFO L899 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2022-11-21 16:13:20,085 INFO L895 garLoopResultBuilder]: At program point L304(lines 299 307) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:13:20,085 INFO L895 garLoopResultBuilder]: At program point L333(line 333) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~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)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 (not (= 0 ~systemActive~0))) (and .cse5 .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6))) [2022-11-21 16:13:20,086 INFO L895 garLoopResultBuilder]: At program point L296(lines 292 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:13:20,086 INFO L895 garLoopResultBuilder]: At program point L994(lines 989 996) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:13:20,087 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:13:20,088 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:13:20,088 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:13:20,088 INFO L895 garLoopResultBuilder]: At program point L371(lines 320 372) the Hoare annotation is: false [2022-11-21 16:13:20,088 INFO L895 garLoopResultBuilder]: At program point L970(line 970) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~methAndRunningLastTime~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-21 16:13:20,089 INFO L895 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:13:20,089 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 365) no Hoare annotation was computed. [2022-11-21 16:13:20,089 INFO L895 garLoopResultBuilder]: At program point L359-2(lines 351 366) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse9 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse5 .cse9) (and .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse5 .cse9))) [2022-11-21 16:13:20,089 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 267) no Hoare annotation was computed. [2022-11-21 16:13:20,089 INFO L899 garLoopResultBuilder]: For program point L322(lines 321 370) no Hoare annotation was computed. [2022-11-21 16:13:20,089 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 260 267) no Hoare annotation was computed. [2022-11-21 16:13:20,090 INFO L895 garLoopResultBuilder]: At program point L289(lines 285 291) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:13:20,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:13:20,090 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 366) no Hoare annotation was computed. [2022-11-21 16:13:20,090 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~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)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 (not (= 0 ~systemActive~0))) (and .cse5 .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6))) [2022-11-21 16:13:20,090 INFO L902 garLoopResultBuilder]: At program point L244(lines 236 246) the Hoare annotation is: true [2022-11-21 16:13:20,091 INFO L895 garLoopResultBuilder]: At program point L368(lines 321 370) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~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)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 (not (= 0 ~systemActive~0))) (and .cse5 .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse6) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6))) [2022-11-21 16:13:20,091 INFO L902 garLoopResultBuilder]: At program point L269(lines 250 272) the Hoare annotation is: true [2022-11-21 16:13:20,091 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2022-11-21 16:13:20,091 INFO L899 garLoopResultBuilder]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2022-11-21 16:13:20,091 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2022-11-21 16:13:20,092 INFO L895 garLoopResultBuilder]: At program point L984(lines 979 986) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse8 .cse0 .cse7 .cse2 .cse3 .cse5 (<= 1 ~waterLevel~0) .cse6))) [2022-11-21 16:13:20,092 INFO L895 garLoopResultBuilder]: At program point L976(lines 964 978) 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)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methAndRunningLastTime~0 0) (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4))) [2022-11-21 16:13:20,092 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 974) no Hoare annotation was computed. [2022-11-21 16:13:20,092 INFO L899 garLoopResultBuilder]: For program point L968-1(lines 968 974) no Hoare annotation was computed. [2022-11-21 16:13:20,093 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 785 809) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2022-11-21 16:13:20,093 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0) (not .cse3)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3)))) [2022-11-21 16:13:20,093 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 801) no Hoare annotation was computed. [2022-11-21 16:13:20,093 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2022-11-21 16:13:20,093 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-11-21 16:13:20,094 INFO L895 garLoopResultBuilder]: At program point L841(lines 836 843) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse2))) [2022-11-21 16:13:20,094 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2022-11-21 16:13:20,094 INFO L899 garLoopResultBuilder]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2022-11-21 16:13:20,094 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 785 809) no Hoare annotation was computed. [2022-11-21 16:13:20,094 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2022-11-21 16:13:20,094 INFO L895 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (and .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2022-11-21 16:13:20,095 INFO L895 garLoopResultBuilder]: At program point L852-2(lines 845 861) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0)) (and (= ~pumpRunning~0 0) .cse3 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|) (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2022-11-21 16:13:20,095 INFO L895 garLoopResultBuilder]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (and .cse5 (<= 2 ~waterLevel~0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not .cse4)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2022-11-21 16:13:20,095 INFO L895 garLoopResultBuilder]: At program point L877(lines 870 880) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse2 .cse3) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse2 .cse3 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2022-11-21 16:13:20,096 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) (and .cse1 .cse2) .cse3) (or .cse0 .cse1 (not .cse2) .cse4 .cse3 .cse5) (or (not (= ~waterLevel~0 1)) .cse0 .cse4 .cse3 .cse5))) [2022-11-21 16:13:20,096 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2022-11-21 16:13:20,096 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2022-11-21 16:13:20,096 INFO L899 garLoopResultBuilder]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2022-11-21 16:13:20,096 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-11-21 16:13:20,096 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-11-21 16:13:20,097 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse5 (= ~waterLevel~0 1) .cse2) (or .cse4 .cse5 .cse1 .cse2 .cse3) (or .cse4 (not (<= 1 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2))) [2022-11-21 16:13:20,100 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:13:20,102 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:13:20,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:13:20 BoogieIcfgContainer [2022-11-21 16:13:20,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:13:20,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:13:20,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:13:20,135 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:13:20,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:12:52" (3/4) ... [2022-11-21 16:13:20,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:13:20,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-21 16:13:20,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-21 16:13:20,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-21 16:13:20,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-21 16:13:20,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-21 16:13:20,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-21 16:13:20,147 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:13:20,147 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-21 16:13:20,154 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 16:13:20,155 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 16:13:20,155 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:13:20,156 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:13:20,156 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:13:20,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:13:20,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:13:20,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:13:20,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) [2022-11-21 16:13:20,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2022-11-21 16:13:20,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || ((((((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((((((pumpRunning == 0 && \old(methAndRunningLastTime) == methAndRunningLastTime) && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || ((\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((1 <= \result && 1 <= tmp) && (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || (((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))))) && 1 <= tmp___0)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || (((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0)))))) || !(2 <= \old(waterLevel))) [2022-11-21 16:13:20,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) [2022-11-21 16:13:20,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || ((((((((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && (((((((methAndRunningLastTime == 0 && tmp == 0) && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) || !(methaneLevelCritical == 0)) || (((((((((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 0) && 1 <= \result) && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) [2022-11-21 16:13:20,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == methaneLevelCritical)) || !(methAndRunningLastTime == 0)) [2022-11-21 16:13:20,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) [2022-11-21 16:13:20,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(methAndRunningLastTime) == methAndRunningLastTime) && waterLevel == 1))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(2 <= \old(waterLevel))) [2022-11-21 16:13:20,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) [2022-11-21 16:13:20,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp) && \result == methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-21 16:13:20,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-21 16:13:20,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-21 16:13:20,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0)) || !(2 <= \old(waterLevel)))) && (((!(methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2022-11-21 16:13:20,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2022-11-21 16:13:20,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-21 16:13:20,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:13:20,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:13:20,219 INFO L158 Benchmark]: Toolchain (without parser) took 29542.84ms. Allocated memory was 195.0MB in the beginning and 408.9MB in the end (delta: 213.9MB). Free memory was 150.3MB in the beginning and 162.0MB in the end (delta: -11.7MB). Peak memory consumption was 202.8MB. Max. memory is 16.1GB. [2022-11-21 16:13:20,219 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 127.9MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:13:20,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.21ms. Allocated memory is still 195.0MB. Free memory was 149.7MB in the beginning and 130.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:13:20,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.39ms. Allocated memory is still 195.0MB. Free memory was 130.7MB in the beginning and 128.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:13:20,220 INFO L158 Benchmark]: Boogie Preprocessor took 42.59ms. Allocated memory is still 195.0MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:13:20,221 INFO L158 Benchmark]: RCFGBuilder took 682.33ms. Allocated memory is still 195.0MB. Free memory was 126.6MB in the beginning and 109.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:13:20,221 INFO L158 Benchmark]: TraceAbstraction took 27863.11ms. Allocated memory was 195.0MB in the beginning and 408.9MB in the end (delta: 213.9MB). Free memory was 109.0MB in the beginning and 168.3MB in the end (delta: -59.3MB). Peak memory consumption was 200.7MB. Max. memory is 16.1GB. [2022-11-21 16:13:20,221 INFO L158 Benchmark]: Witness Printer took 83.52ms. Allocated memory is still 408.9MB. Free memory was 168.3MB in the beginning and 162.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:13:20,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 127.9MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.21ms. Allocated memory is still 195.0MB. Free memory was 149.7MB in the beginning and 130.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.39ms. Allocated memory is still 195.0MB. Free memory was 130.7MB in the beginning and 128.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.59ms. Allocated memory is still 195.0MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.33ms. Allocated memory is still 195.0MB. Free memory was 126.6MB in the beginning and 109.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27863.11ms. Allocated memory was 195.0MB in the beginning and 408.9MB in the end (delta: 213.9MB). Free memory was 109.0MB in the beginning and 168.3MB in the end (delta: -59.3MB). Peak memory consumption was 200.7MB. Max. memory is 16.1GB. * Witness Printer took 83.52ms. Allocated memory is still 408.9MB. Free memory was 168.3MB in the beginning and 162.0MB 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: 165]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3073 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3037 mSDsluCounter, 4579 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3230 mSDsCounter, 1132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4254 IncrementalHoareTripleChecker+Invalid, 5386 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1132 mSolverCounterUnsat, 1349 mSDtfsCounter, 4254 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1178 GetRequests, 985 SyntacticMatches, 11 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2363occurred in iteration=11, InterpolantAutomatonStates: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1201 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 4580 PreInvPairs, 5040 NumberOfFragments, 3043 HoareAnnotationTreeSize, 4580 FomulaSimplifications, 6582 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 47 FomulaSimplificationsInter, 31627 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1534 NumberOfCodeBlocks, 1534 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1799 ConstructedInterpolants, 0 QuantifiedInterpolants, 3527 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1735 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 853/991 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: 285]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == methaneLevelCritical)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0)) || !(2 <= \old(waterLevel)))) && (((!(methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((((((((((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(methAndRunningLastTime) == methAndRunningLastTime) && waterLevel == 1))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((((pumpRunning == \old(pumpRunning) && !(tmp == 0)) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp) && \result == methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || ((((((((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && (((((((methAndRunningLastTime == 0 && tmp == 0) && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) || !(methaneLevelCritical == 0)) || (((((((((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp == 0) && 1 <= \result) && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || ((((((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))) && 1 <= tmp___0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((((((pumpRunning == 0 && \old(methAndRunningLastTime) == methAndRunningLastTime) && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || ((\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((1 <= \result && 1 <= tmp) && (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || (((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0))))) && 1 <= tmp___0)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || (((((\result == 0 && !(waterLevel == 0)) || (\result == 1 && waterLevel == 0)) && pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) && ((!(waterLevel == 0) && tmp == 0) || (tmp == 1 && waterLevel == 0)))))) || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-21 16:13:20,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f928c68-9c2d-4a70-8d94-2ecdf8fd311d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE