./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/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_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/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_2aae2835-52cf-4080-9461-60c8d15381b9/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 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 --- 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 16:54:11,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:54:11,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:54:11,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:54:11,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:54:11,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:54:11,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:54:11,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:54:11,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:54:11,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:54:11,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:54:11,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:54:11,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:54:11,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:54:11,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:54:11,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:54:11,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:54:11,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:54:11,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:54:11,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:54:11,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:54:11,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:54:11,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:54:11,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:54:11,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:54:11,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:54:11,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:54:11,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:54:11,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:54:11,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:54:11,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:54:11,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:54:11,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:54:11,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:54:11,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:54:11,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:54:11,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:54:11,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:54:11,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:54:11,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:54:11,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:54:11,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:54:11,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:54:11,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:54:11,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:54:11,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:54:11,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:54:11,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:54:11,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:54:11,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:54:11,582 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:54:11,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:54:11,583 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:54:11,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:54:11,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:54:11,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:54:11,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:54:11,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:54:11,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:54:11,585 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:54:11,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:54:11,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:54:11,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:54:11,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:54:11,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:54:11,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:54:11,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:54:11,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:54:11,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:54:11,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:54:11,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:54:11,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:54:11,589 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:54:11,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:54:11,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:54:11,590 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_2aae2835-52cf-4080-9461-60c8d15381b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 [2022-11-21 16:54:11,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:54:11,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:54:11,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:54:11,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:54:11,960 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:54:11,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-11-21 16:54:15,100 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:54:15,443 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:54:15,453 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-11-21 16:54:15,469 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/data/714777606/111acb8cec4a4b8fbebb299ce95be528/FLAG29fc4be65 [2022-11-21 16:54:15,489 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/data/714777606/111acb8cec4a4b8fbebb299ce95be528 [2022-11-21 16:54:15,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:54:15,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:54:15,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:54:15,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:54:15,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:54:15,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:15,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b0f641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15, skipping insertion in model container [2022-11-21 16:54:15,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:15,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:54:15,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:54:15,763 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_2aae2835-52cf-4080-9461-60c8d15381b9/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2022-11-21 16:54:15,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:54:15,874 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:54:15,897 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_2aae2835-52cf-4080-9461-60c8d15381b9/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2022-11-21 16:54:15,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:54:15,972 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:54:15,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15 WrapperNode [2022-11-21 16:54:15,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:54:15,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:54:15,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:54:15,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:54:15,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,056 INFO L138 Inliner]: procedures = 59, calls = 106, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 233 [2022-11-21 16:54:16,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:54:16,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:54:16,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:54:16,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:54:16,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:54:16,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:54:16,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:54:16,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:54:16,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (1/1) ... [2022-11-21 16:54:16,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:54:16,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:16,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:54:16,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:54:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:54:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-21 16:54:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-21 16:54:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-21 16:54:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-21 16:54:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-21 16:54:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-21 16:54:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:54:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:54:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-21 16:54:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-21 16:54:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-21 16:54:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-21 16:54:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-21 16:54:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-21 16:54:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-21 16:54:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-21 16:54:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:54:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-21 16:54:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-21 16:54:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:54:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:54:16,296 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:54:16,298 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:54:16,761 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:54:16,770 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:54:16,770 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:54:16,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:16 BoogieIcfgContainer [2022-11-21 16:54:16,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:54:16,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:54:16,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:54:16,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:54:16,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:54:15" (1/3) ... [2022-11-21 16:54:16,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b213d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:54:16, skipping insertion in model container [2022-11-21 16:54:16,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:54:15" (2/3) ... [2022-11-21 16:54:16,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b213d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:54:16, skipping insertion in model container [2022-11-21 16:54:16,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:16" (3/3) ... [2022-11-21 16:54:16,783 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2022-11-21 16:54:16,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:54:16,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:54:16,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:54:16,869 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;@30a73188, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:54:16,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:54:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-21 16:54:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 16:54:16,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:16,897 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:16,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:16,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:16,906 INFO L85 PathProgramCache]: Analyzing trace with hash -17930075, now seen corresponding path program 1 times [2022-11-21 16:54:16,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:16,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507682885] [2022-11-21 16:54:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:16,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:54:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 16:54:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,177 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 16:54:17,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:17,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507682885] [2022-11-21 16:54:17,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507682885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:17,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:17,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:54:17,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075113953] [2022-11-21 16:54:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:17,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:54:17,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:54:17,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:54:17,226 INFO L87 Difference]: Start difference. First operand has 106 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:54:17,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:17,269 INFO L93 Difference]: Finished difference Result 203 states and 274 transitions. [2022-11-21 16:54:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:54:17,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-21 16:54:17,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:17,282 INFO L225 Difference]: With dead ends: 203 [2022-11-21 16:54:17,282 INFO L226 Difference]: Without dead ends: 97 [2022-11-21 16:54:17,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:54:17,289 INFO L413 NwaCegarLoop]: 134 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, 134 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 16:54:17,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:54:17,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-21 16:54:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-21 16:54:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 81 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-21 16:54:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 125 transitions. [2022-11-21 16:54:17,345 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 125 transitions. Word has length 32 [2022-11-21 16:54:17,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:17,346 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 125 transitions. [2022-11-21 16:54:17,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:54:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2022-11-21 16:54:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 16:54:17,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:17,350 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] [2022-11-21 16:54:17,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:54:17,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:17,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:17,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1323382524, now seen corresponding path program 1 times [2022-11-21 16:54:17,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:17,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506792217] [2022-11-21 16:54:17,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:17,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:54:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:54:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,490 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 16:54:17,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:17,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506792217] [2022-11-21 16:54:17,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506792217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:17,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:17,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:54:17,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883035876] [2022-11-21 16:54:17,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:17,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:54:17,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:17,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:54:17,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:54:17,494 INFO L87 Difference]: Start difference. First operand 97 states and 125 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:54:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:17,521 INFO L93 Difference]: Finished difference Result 158 states and 204 transitions. [2022-11-21 16:54:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:54:17,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-21 16:54:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:17,524 INFO L225 Difference]: With dead ends: 158 [2022-11-21 16:54:17,524 INFO L226 Difference]: Without dead ends: 88 [2022-11-21 16:54:17,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 16:54:17,526 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 13 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 207 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 16:54:17,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 207 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:54:17,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-21 16:54:17,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-21 16:54:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 75 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 16:54:17,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-11-21 16:54:17,542 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 33 [2022-11-21 16:54:17,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:17,543 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-11-21 16:54:17,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:54:17,543 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-11-21 16:54:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 16:54:17,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:17,545 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] [2022-11-21 16:54:17,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:54:17,546 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:17,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:17,547 INFO L85 PathProgramCache]: Analyzing trace with hash 951919944, now seen corresponding path program 1 times [2022-11-21 16:54:17,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:17,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037714144] [2022-11-21 16:54:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:17,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:54:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:54:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,728 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 16:54:17,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:17,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037714144] [2022-11-21 16:54:17,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037714144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:17,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:17,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:54:17,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129959394] [2022-11-21 16:54:17,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:17,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:54:17,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:17,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:54:17,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:54:17,732 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:54:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:17,784 INFO L93 Difference]: Finished difference Result 168 states and 219 transitions. [2022-11-21 16:54:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:54:17,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-21 16:54:17,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:17,787 INFO L225 Difference]: With dead ends: 168 [2022-11-21 16:54:17,787 INFO L226 Difference]: Without dead ends: 88 [2022-11-21 16:54:17,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 16:54:17,790 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:17,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:54:17,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-21 16:54:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-21 16:54:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.303030303030303) internal successors, (86), 75 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 16:54:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2022-11-21 16:54:17,820 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 38 [2022-11-21 16:54:17,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:17,829 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2022-11-21 16:54:17,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:54:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2022-11-21 16:54:17,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 16:54:17,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:17,832 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] [2022-11-21 16:54:17,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:54:17,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:17,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:17,834 INFO L85 PathProgramCache]: Analyzing trace with hash 43096146, now seen corresponding path program 1 times [2022-11-21 16:54:17,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:17,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179745222] [2022-11-21 16:54:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:17,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:54:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 16:54:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:54:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,013 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 16:54:18,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:18,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179745222] [2022-11-21 16:54:18,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179745222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:18,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:18,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:54:18,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4074367] [2022-11-21 16:54:18,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:18,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:54:18,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:18,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:54:18,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:54:18,017 INFO L87 Difference]: Start difference. First operand 88 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:54:18,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:18,281 INFO L93 Difference]: Finished difference Result 252 states and 327 transitions. [2022-11-21 16:54:18,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:54:18,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-11-21 16:54:18,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:18,284 INFO L225 Difference]: With dead ends: 252 [2022-11-21 16:54:18,285 INFO L226 Difference]: Without dead ends: 172 [2022-11-21 16:54:18,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:54:18,288 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 158 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:18,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 234 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:54:18,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-21 16:54:18,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 166. [2022-11-21 16:54:18,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 125 states have (on average 1.28) internal successors, (160), 133 states have internal predecessors, (160), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2022-11-21 16:54:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 211 transitions. [2022-11-21 16:54:18,321 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 211 transitions. Word has length 47 [2022-11-21 16:54:18,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:18,322 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 211 transitions. [2022-11-21 16:54:18,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:54:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2022-11-21 16:54:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 16:54:18,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:18,325 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 16:54:18,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:54:18,325 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:18,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash 934824757, now seen corresponding path program 1 times [2022-11-21 16:54:18,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:18,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70703613] [2022-11-21 16:54:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:18,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:54:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:54:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 16:54:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,539 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 16:54:18,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:18,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70703613] [2022-11-21 16:54:18,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70703613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:18,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:18,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:54:18,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866247740] [2022-11-21 16:54:18,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:18,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:54:18,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:18,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:54:18,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:54:18,543 INFO L87 Difference]: Start difference. First operand 166 states and 211 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:54:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:18,779 INFO L93 Difference]: Finished difference Result 332 states and 430 transitions. [2022-11-21 16:54:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:54:18,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-11-21 16:54:18,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:18,787 INFO L225 Difference]: With dead ends: 332 [2022-11-21 16:54:18,787 INFO L226 Difference]: Without dead ends: 174 [2022-11-21 16:54:18,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 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 16:54:18,797 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 75 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:18,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 445 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:54:18,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-21 16:54:18,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 169. [2022-11-21 16:54:18,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 128 states have (on average 1.2734375) internal successors, (163), 136 states have internal predecessors, (163), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2022-11-21 16:54:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 214 transitions. [2022-11-21 16:54:18,838 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 214 transitions. Word has length 57 [2022-11-21 16:54:18,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:18,838 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 214 transitions. [2022-11-21 16:54:18,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:54:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 214 transitions. [2022-11-21 16:54:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 16:54:18,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:18,848 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 16:54:18,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:54:18,849 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:18,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:18,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1357526583, now seen corresponding path program 1 times [2022-11-21 16:54:18,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:18,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689039841] [2022-11-21 16:54:18,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:18,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:54:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:54:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 16:54:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:19,043 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 16:54:19,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:19,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689039841] [2022-11-21 16:54:19,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689039841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:19,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:19,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:54:19,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715421321] [2022-11-21 16:54:19,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:19,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:54:19,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:19,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:54:19,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:54:19,046 INFO L87 Difference]: Start difference. First operand 169 states and 214 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:54:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:19,235 INFO L93 Difference]: Finished difference Result 340 states and 444 transitions. [2022-11-21 16:54:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:54:19,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-11-21 16:54:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:19,241 INFO L225 Difference]: With dead ends: 340 [2022-11-21 16:54:19,242 INFO L226 Difference]: Without dead ends: 179 [2022-11-21 16:54:19,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 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 16:54:19,247 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 76 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:19,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 347 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:54:19,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-21 16:54:19,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2022-11-21 16:54:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 130 states have (on average 1.2692307692307692) internal successors, (165), 138 states have internal predecessors, (165), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2022-11-21 16:54:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 216 transitions. [2022-11-21 16:54:19,294 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 216 transitions. Word has length 57 [2022-11-21 16:54:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:19,295 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 216 transitions. [2022-11-21 16:54:19,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:54:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2022-11-21 16:54:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 16:54:19,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:19,299 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 16:54:19,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:54:19,299 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:19,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:19,300 INFO L85 PathProgramCache]: Analyzing trace with hash -447911751, now seen corresponding path program 1 times [2022-11-21 16:54:19,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:19,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404976397] [2022-11-21 16:54:19,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:19,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:54:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:54:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 16:54:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:19,464 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 16:54:19,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:19,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404976397] [2022-11-21 16:54:19,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404976397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:19,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:19,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:54:19,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033865454] [2022-11-21 16:54:19,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:19,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:54:19,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:19,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:54:19,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:54:19,467 INFO L87 Difference]: Start difference. First operand 171 states and 216 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 16:54:19,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:19,833 INFO L93 Difference]: Finished difference Result 484 states and 633 transitions. [2022-11-21 16:54:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:54:19,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2022-11-21 16:54:19,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:19,841 INFO L225 Difference]: With dead ends: 484 [2022-11-21 16:54:19,841 INFO L226 Difference]: Without dead ends: 321 [2022-11-21 16:54:19,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:54:19,850 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 235 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:19,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 356 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:54:19,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-21 16:54:19,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 313. [2022-11-21 16:54:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 236 states have (on average 1.2415254237288136) internal successors, (293), 248 states have internal predecessors, (293), 40 states have call successors, (40), 33 states have call predecessors, (40), 36 states have return successors, (66), 41 states have call predecessors, (66), 40 states have call successors, (66) [2022-11-21 16:54:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 399 transitions. [2022-11-21 16:54:19,904 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 399 transitions. Word has length 57 [2022-11-21 16:54:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:19,905 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 399 transitions. [2022-11-21 16:54:19,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 16:54:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 399 transitions. [2022-11-21 16:54:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 16:54:19,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:19,907 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:19,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:54:19,908 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:19,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:19,909 INFO L85 PathProgramCache]: Analyzing trace with hash 16145041, now seen corresponding path program 1 times [2022-11-21 16:54:19,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:19,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083360071] [2022-11-21 16:54:19,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:54:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:54:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:54:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 16:54:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:54:20,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:20,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083360071] [2022-11-21 16:54:20,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083360071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:20,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:20,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:54:20,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402428694] [2022-11-21 16:54:20,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:20,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:54:20,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:20,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:54:20,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:54:20,076 INFO L87 Difference]: Start difference. First operand 313 states and 399 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 16:54:20,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:20,434 INFO L93 Difference]: Finished difference Result 634 states and 821 transitions. [2022-11-21 16:54:20,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:54:20,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-11-21 16:54:20,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:20,440 INFO L225 Difference]: With dead ends: 634 [2022-11-21 16:54:20,440 INFO L226 Difference]: Without dead ends: 329 [2022-11-21 16:54:20,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-21 16:54:20,445 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 128 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:20,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 489 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:54:20,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-11-21 16:54:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 309. [2022-11-21 16:54:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 232 states have (on average 1.2112068965517242) internal successors, (281), 244 states have internal predecessors, (281), 40 states have call successors, (40), 33 states have call predecessors, (40), 36 states have return successors, (66), 41 states have call predecessors, (66), 40 states have call successors, (66) [2022-11-21 16:54:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 387 transitions. [2022-11-21 16:54:20,493 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 387 transitions. Word has length 59 [2022-11-21 16:54:20,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:20,493 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 387 transitions. [2022-11-21 16:54:20,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 16:54:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 387 transitions. [2022-11-21 16:54:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 16:54:20,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:20,495 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:20,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:54:20,497 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:20,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1464730591, now seen corresponding path program 1 times [2022-11-21 16:54:20,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:20,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620317302] [2022-11-21 16:54:20,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:54:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:54:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:54:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 16:54:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:20,821 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 16:54:20,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:20,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620317302] [2022-11-21 16:54:20,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620317302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:20,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:20,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:54:20,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013337602] [2022-11-21 16:54:20,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:20,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:54:20,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:20,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:54:20,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:54:20,826 INFO L87 Difference]: Start difference. First operand 309 states and 387 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-21 16:54:22,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:22,165 INFO L93 Difference]: Finished difference Result 965 states and 1269 transitions. [2022-11-21 16:54:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-21 16:54:22,166 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-11-21 16:54:22,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:22,172 INFO L225 Difference]: With dead ends: 965 [2022-11-21 16:54:22,172 INFO L226 Difference]: Without dead ends: 720 [2022-11-21 16:54:22,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-11-21 16:54:22,176 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 561 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:22,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 814 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:54:22,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-11-21 16:54:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 594. [2022-11-21 16:54:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.210762331838565) internal successors, (540), 472 states have internal predecessors, (540), 77 states have call successors, (77), 58 states have call predecessors, (77), 70 states have return successors, (127), 79 states have call predecessors, (127), 77 states have call successors, (127) [2022-11-21 16:54:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 744 transitions. [2022-11-21 16:54:22,269 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 744 transitions. Word has length 61 [2022-11-21 16:54:22,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:22,269 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 744 transitions. [2022-11-21 16:54:22,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-21 16:54:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 744 transitions. [2022-11-21 16:54:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-21 16:54:22,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:22,279 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:22,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:54:22,280 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2028217141, now seen corresponding path program 1 times [2022-11-21 16:54:22,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:22,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064453903] [2022-11-21 16:54:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:22,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:54:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:54:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:54:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:54:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 16:54:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:54:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 16:54:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:54:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 16:54:22,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:22,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064453903] [2022-11-21 16:54:22,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064453903] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:54:22,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440358279] [2022-11-21 16:54:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:22,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:54:22,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:22,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:54:22,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:54:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:22,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 16:54:22,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:54:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:23,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:54:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 16:54:23,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440358279] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:54:23,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:54:23,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-11-21 16:54:23,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615464948] [2022-11-21 16:54:23,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:54:23,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-21 16:54:23,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:23,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-21 16:54:23,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-11-21 16:54:23,360 INFO L87 Difference]: Start difference. First operand 594 states and 744 transitions. Second operand has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2022-11-21 16:54:24,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:24,761 INFO L93 Difference]: Finished difference Result 1279 states and 1643 transitions. [2022-11-21 16:54:24,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-21 16:54:24,761 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) Word has length 111 [2022-11-21 16:54:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:24,766 INFO L225 Difference]: With dead ends: 1279 [2022-11-21 16:54:24,766 INFO L226 Difference]: Without dead ends: 747 [2022-11-21 16:54:24,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 250 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2022-11-21 16:54:24,770 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 487 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:24,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1013 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:54:24,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-21 16:54:24,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 659. [2022-11-21 16:54:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 490 states have (on average 1.1959183673469387) internal successors, (586), 524 states have internal predecessors, (586), 87 states have call successors, (87), 72 states have call predecessors, (87), 81 states have return successors, (119), 84 states have call predecessors, (119), 87 states have call successors, (119) [2022-11-21 16:54:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 792 transitions. [2022-11-21 16:54:24,885 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 792 transitions. Word has length 111 [2022-11-21 16:54:24,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:24,887 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 792 transitions. [2022-11-21 16:54:24,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2022-11-21 16:54:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 792 transitions. [2022-11-21 16:54:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-21 16:54:24,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:24,892 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:54:24,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:25,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:54:25,099 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:54:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:25,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1718593601, now seen corresponding path program 1 times [2022-11-21 16:54:25,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:25,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206494228] [2022-11-21 16:54:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:54:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:54:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:54:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:54:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:54:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:54:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 16:54:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 16:54:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:54:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:54:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 16:54:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 16:54:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:54:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 16:54:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-11-21 16:54:25,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:25,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206494228] [2022-11-21 16:54:25,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206494228] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:54:25,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241625431] [2022-11-21 16:54:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:54:25,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:54:25,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:54:25,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:54:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:25,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 16:54:25,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:54:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-21 16:54:26,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:54:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 39 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-21 16:54:26,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241625431] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:54:26,699 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:54:26,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-11-21 16:54:26,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392895669] [2022-11-21 16:54:26,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:54:26,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-21 16:54:26,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:26,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-21 16:54:26,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2022-11-21 16:54:26,702 INFO L87 Difference]: Start difference. First operand 659 states and 792 transitions. Second operand has 25 states, 25 states have (on average 8.8) internal successors, (220), 21 states have internal predecessors, (220), 9 states have call successors, (35), 9 states have call predecessors, (35), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2022-11-21 16:54:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:28,436 INFO L93 Difference]: Finished difference Result 1370 states and 1699 transitions. [2022-11-21 16:54:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-21 16:54:28,437 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 21 states have internal predecessors, (220), 9 states have call successors, (35), 9 states have call predecessors, (35), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) Word has length 191 [2022-11-21 16:54:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:28,438 INFO L225 Difference]: With dead ends: 1370 [2022-11-21 16:54:28,438 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:54:28,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 404 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2022-11-21 16:54:28,443 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 804 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:28,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 838 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 16:54:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:54:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:54:28,444 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 16:54:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:54:28,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2022-11-21 16:54:28,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:28,445 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:54:28,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 21 states have internal predecessors, (220), 9 states have call successors, (35), 9 states have call predecessors, (35), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2022-11-21 16:54:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:54:28,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:54:28,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:54:28,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:54:28,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:54:28,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:54:36,227 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 450 457) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) [2022-11-21 16:54:36,227 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 450 457) no Hoare annotation was computed. [2022-11-21 16:54:36,227 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 450 457) no Hoare annotation was computed. [2022-11-21 16:54:36,228 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 357 363) no Hoare annotation was computed. [2022-11-21 16:54:36,228 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 357 363) the Hoare annotation is: true [2022-11-21 16:54:36,228 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 135 146) the Hoare annotation is: true [2022-11-21 16:54:36,228 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 135 146) no Hoare annotation was computed. [2022-11-21 16:54:36,228 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 135 146) no Hoare annotation was computed. [2022-11-21 16:54:36,229 INFO L895 garLoopResultBuilder]: At program point L217(lines 212 219) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-11-21 16:54:36,229 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse14 (<= 1 ~pumpRunning~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (and .cse16 .cse0 .cse11 .cse15 .cse17 .cse3)) (.cse7 (and .cse14 .cse8 .cse16 .cse11 .cse15 .cse17 .cse3)) (.cse1 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse7 (and .cse8 .cse1 .cse2 .cse3) .cse9 .cse10) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse6 .cse7 .cse10) (or .cse4 .cse5 .cse6 .cse7 (not (= |old(~waterLevel~0)| 2))) (let ((.cse12 (= 2 ~waterLevel~0)) (.cse13 (= 2 |timeShift_getWaterLevel_#res#1|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse4 (and .cse0 .cse1 .cse11 .cse2) (and .cse0 .cse12 .cse13 .cse2) .cse9 (and .cse14 .cse12 .cse13 .cse2))) (or .cse4 .cse6 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse9)))) [2022-11-21 16:54:36,229 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-21 16:54:36,230 INFO L895 garLoopResultBuilder]: At program point L436(line 436) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-21 16:54:36,230 INFO L895 garLoopResultBuilder]: At program point L436-1(lines 417 441) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (= 1 ~systemActive~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not .cse13)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse8 .cse2 .cse12 .cse13 .cse14 .cse4)) (.cse10 (and .cse6 .cse12 .cse13 .cse14 .cse4)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse4) .cse5 (and .cse6 .cse3 .cse4))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse7) .cse0 .cse5 (and .cse8 (= 2 ~waterLevel~0) .cse7)) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 .cse7 .cse4) .cse0 .cse1 .cse9 .cse10 (and .cse6 .cse7 .cse4) .cse11) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse9 .cse10 .cse11)))) [2022-11-21 16:54:36,230 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 343) no Hoare annotation was computed. [2022-11-21 16:54:36,231 INFO L895 garLoopResultBuilder]: At program point L465(lines 458 468) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-21 16:54:36,231 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 333 355) no Hoare annotation was computed. [2022-11-21 16:54:36,231 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 330 356) no Hoare annotation was computed. [2022-11-21 16:54:36,231 INFO L895 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-21 16:54:36,232 INFO L895 garLoopResultBuilder]: At program point L152(lines 147 155) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-21 16:54:36,232 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2022-11-21 16:54:36,232 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse16 (= 1 ~systemActive~0))) (let ((.cse2 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not .cse16)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse13 .cse1 .cse3 .cse16 .cse17 .cse14 .cse10)) (.cse8 (and (<= 1 ~pumpRunning~0) .cse9 .cse13 .cse3 .cse16 .cse17 .cse14 .cse10)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2) .cse2 .cse3 .cse4) .cse5) (let ((.cse11 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse6 .cse7 .cse8 (and .cse9 .cse2 .cse4 .cse10 .cse11) (and .cse1 .cse2 .cse4 .cse10 .cse11) .cse12)) (let ((.cse15 (= ~waterLevel~0 1))) (or (and .cse9 .cse13 .cse14 .cse15 .cse10) .cse0 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse13 .cse1 .cse14 .cse15 .cse10) .cse5)) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse6 .cse7 .cse8 .cse12)))) [2022-11-21 16:54:36,233 INFO L895 garLoopResultBuilder]: At program point L115-2(lines 111 122) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-21 16:54:36,233 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-21 16:54:36,233 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 433) no Hoare annotation was computed. [2022-11-21 16:54:36,233 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 438) no Hoare annotation was computed. [2022-11-21 16:54:36,234 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-11-21 16:54:36,234 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-21 16:54:36,234 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2022-11-21 16:54:36,234 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2022-11-21 16:54:36,234 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-11-21 16:54:36,235 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-11-21 16:54:36,235 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 330 356) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-11-21 16:54:36,235 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-21 16:54:36,236 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse19 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (= 1 ~systemActive~0))) (let ((.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|))) (.cse5 (not .cse11)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (and .cse18 .cse0 .cse21 .cse11 .cse22 .cse19 .cse12)) (.cse15 (and .cse6 .cse16 .cse18 .cse21 .cse11 .cse22 .cse19 .cse12)) (.cse17 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse1 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse3 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (and .cse6 .cse1 .cse2 .cse3) .cse7 (not (<= 2 |old(~waterLevel~0)|)))) (or .cse8 .cse5 .cse9 (and .cse0 .cse10 .cse11 .cse2 .cse12 .cse13) .cse14 .cse15 (and .cse16 .cse10 .cse11 .cse2 .cse12 .cse13) .cse17) (let ((.cse20 (= ~waterLevel~0 1))) (or (and .cse18 .cse0 .cse11 .cse19 .cse20 .cse12) .cse5 .cse9 (not (< 1 |old(~waterLevel~0)|)) (and .cse16 .cse18 .cse11 .cse19 .cse20 .cse12) .cse7)) (or .cse8 .cse4 .cse5 (and .cse0 .cse10 .cse2 .cse13)) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse9 .cse14 .cse15 .cse17)))) [2022-11-21 16:54:36,236 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-21 16:54:36,236 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 330 356) no Hoare annotation was computed. [2022-11-21 16:54:36,237 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2022-11-21 16:54:36,237 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 223 252) no Hoare annotation was computed. [2022-11-21 16:54:36,237 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 223 252) the Hoare annotation is: true [2022-11-21 16:54:36,237 INFO L902 garLoopResultBuilder]: At program point L248(lines 223 252) the Hoare annotation is: true [2022-11-21 16:54:36,237 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2022-11-21 16:54:36,237 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2022-11-21 16:54:36,238 INFO L902 garLoopResultBuilder]: At program point L237-1(lines 237 241) the Hoare annotation is: true [2022-11-21 16:54:36,238 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-11-21 16:54:36,238 INFO L902 garLoopResultBuilder]: At program point L233-2(lines 233 247) the Hoare annotation is: true [2022-11-21 16:54:36,238 INFO L902 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: true [2022-11-21 16:54:36,238 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2022-11-21 16:54:36,238 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2022-11-21 16:54:36,239 INFO L895 garLoopResultBuilder]: At program point L609-2(lines 601 614) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-21 16:54:36,239 INFO L899 garLoopResultBuilder]: For program point L572(lines 571 618) no Hoare annotation was computed. [2022-11-21 16:54:36,239 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 614) no Hoare annotation was computed. [2022-11-21 16:54:36,239 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-21 16:54:36,239 INFO L902 garLoopResultBuilder]: At program point L622(lines 561 626) the Hoare annotation is: true [2022-11-21 16:54:36,240 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 587) no Hoare annotation was computed. [2022-11-21 16:54:36,240 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2022-11-21 16:54:36,240 INFO L895 garLoopResultBuilder]: At program point L643(lines 639 645) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:54:36,240 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:54:36,240 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:54:36,240 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2022-11-21 16:54:36,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:54:36,241 INFO L895 garLoopResultBuilder]: At program point L557(lines 552 559) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-21 16:54:36,241 INFO L895 garLoopResultBuilder]: At program point L619(lines 570 620) the Hoare annotation is: false [2022-11-21 16:54:36,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:54:36,241 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2022-11-21 16:54:36,241 INFO L899 garLoopResultBuilder]: For program point L310-2(lines 310 317) no Hoare annotation was computed. [2022-11-21 16:54:36,242 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 597) no Hoare annotation was computed. [2022-11-21 16:54:36,242 INFO L899 garLoopResultBuilder]: For program point L591-1(lines 591 597) no Hoare annotation was computed. [2022-11-21 16:54:36,242 INFO L895 garLoopResultBuilder]: At program point L616(lines 571 618) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-11-21 16:54:36,242 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-11-21 16:54:36,242 INFO L902 garLoopResultBuilder]: At program point L294(lines 286 296) the Hoare annotation is: true [2022-11-21 16:54:36,243 INFO L902 garLoopResultBuilder]: At program point L319(lines 300 322) the Hoare annotation is: true [2022-11-21 16:54:36,243 INFO L895 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:54:36,243 INFO L895 garLoopResultBuilder]: At program point L282(lines 278 284) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:54:36,243 INFO L895 garLoopResultBuilder]: At program point L658(lines 653 661) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:54:36,243 INFO L895 garLoopResultBuilder]: At program point L650(lines 646 652) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:54:36,244 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 365 389) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-11-21 16:54:36,244 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 198) no Hoare annotation was computed. [2022-11-21 16:54:36,244 INFO L895 garLoopResultBuilder]: At program point L384(line 384) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:54:36,244 INFO L899 garLoopResultBuilder]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2022-11-21 16:54:36,245 INFO L895 garLoopResultBuilder]: At program point L529(lines 514 532) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= 2 ~waterLevel~0)) (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:54:36,245 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2022-11-21 16:54:36,245 INFO L899 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2022-11-21 16:54:36,245 INFO L895 garLoopResultBuilder]: At program point L197(lines 188 201) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:54:36,246 INFO L895 garLoopResultBuilder]: At program point L447(lines 442 449) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:54:36,246 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 365 389) no Hoare annotation was computed. [2022-11-21 16:54:36,246 INFO L895 garLoopResultBuilder]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:54:36,246 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 381) no Hoare annotation was computed. [2022-11-21 16:54:36,246 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 386) no Hoare annotation was computed. [2022-11-21 16:54:36,247 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 123 134) no Hoare annotation was computed. [2022-11-21 16:54:36,247 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 123 134) no Hoare annotation was computed. [2022-11-21 16:54:36,247 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 123 134) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 (not (<= |old(~waterLevel~0)| 2))))) [2022-11-21 16:54:36,247 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 391 415) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-11-21 16:54:36,248 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:54:36,248 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:54:36,248 INFO L895 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:54:36,248 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 407) no Hoare annotation was computed. [2022-11-21 16:54:36,248 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 412) no Hoare annotation was computed. [2022-11-21 16:54:36,249 INFO L895 garLoopResultBuilder]: At program point L548(lines 533 551) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:54:36,249 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2022-11-21 16:54:36,249 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 391 415) no Hoare annotation was computed. [2022-11-21 16:54:36,249 INFO L899 garLoopResultBuilder]: For program point L542-2(lines 542 546) no Hoare annotation was computed. [2022-11-21 16:54:36,249 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:54:36,250 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2022-11-21 16:54:36,250 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 469 477) no Hoare annotation was computed. [2022-11-21 16:54:36,250 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 469 477) the Hoare annotation is: true [2022-11-21 16:54:36,250 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 469 477) no Hoare annotation was computed. [2022-11-21 16:54:36,254 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:36,256 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:54:36,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:54:36 BoogieIcfgContainer [2022-11-21 16:54:36,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:54:36,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:54:36,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:54:36,289 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:54:36,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:54:16" (3/4) ... [2022-11-21 16:54:36,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:54:36,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-21 16:54:36,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-21 16:54:36,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-21 16:54:36,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-21 16:54:36,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-21 16:54:36,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:54:36,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-21 16:54:36,302 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-21 16:54:36,302 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-21 16:54:36,309 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-21 16:54:36,309 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 16:54:36,310 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:54:36,310 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:54:36,311 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:54:36,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:54:36,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:54:36,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((pumpRunning == 0 && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == \old(pumpRunning) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((\result <= waterLevel && pumpRunning == 0) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && !(2 <= tmp)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:54:36,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:54:36,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:54:36,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-21 16:54:36,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:54:36,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:54:36,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-21 16:54:36,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-21 16:54:36,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-21 16:54:36,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && 2 == waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-21 16:54:36,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-21 16:54:36,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:54:36,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:54:36,365 INFO L158 Benchmark]: Toolchain (without parser) took 20871.05ms. Allocated memory was 180.4MB in the beginning and 264.2MB in the end (delta: 83.9MB). Free memory was 133.6MB in the beginning and 163.8MB in the end (delta: -30.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-11-21 16:54:36,365 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:54:36,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.10ms. Allocated memory is still 180.4MB. Free memory was 133.5MB in the beginning and 114.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:54:36,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.06ms. Allocated memory is still 180.4MB. Free memory was 114.1MB in the beginning and 111.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:54:36,366 INFO L158 Benchmark]: Boogie Preprocessor took 62.50ms. Allocated memory is still 180.4MB. Free memory was 111.6MB in the beginning and 109.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:54:36,367 INFO L158 Benchmark]: RCFGBuilder took 652.85ms. Allocated memory is still 180.4MB. Free memory was 109.9MB in the beginning and 142.4MB in the end (delta: -32.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-21 16:54:36,367 INFO L158 Benchmark]: TraceAbstraction took 19512.97ms. Allocated memory was 180.4MB in the beginning and 264.2MB in the end (delta: 83.9MB). Free memory was 141.3MB in the beginning and 170.1MB in the end (delta: -28.8MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. [2022-11-21 16:54:36,367 INFO L158 Benchmark]: Witness Printer took 75.65ms. Allocated memory is still 264.2MB. Free memory was 170.1MB in the beginning and 163.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:54:36,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.10ms. Allocated memory is still 180.4MB. Free memory was 133.5MB in the beginning and 114.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.06ms. Allocated memory is still 180.4MB. Free memory was 114.1MB in the beginning and 111.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.50ms. Allocated memory is still 180.4MB. Free memory was 111.6MB in the beginning and 109.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.85ms. Allocated memory is still 180.4MB. Free memory was 109.9MB in the beginning and 142.4MB in the end (delta: -32.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 19512.97ms. Allocated memory was 180.4MB in the beginning and 264.2MB in the end (delta: 83.9MB). Free memory was 141.3MB in the beginning and 170.1MB in the end (delta: -28.8MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. * Witness Printer took 75.65ms. Allocated memory is still 264.2MB. Free memory was 170.1MB in the beginning and 163.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 216]: 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 10 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2685 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2640 mSDsluCounter, 4988 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3653 mSDsCounter, 956 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4113 IncrementalHoareTripleChecker+Invalid, 5069 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 956 mSolverCounterUnsat, 1335 mSDtfsCounter, 4113 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 909 GetRequests, 741 SyntacticMatches, 11 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=10, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 261 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 1685 PreInvPairs, 1958 NumberOfFragments, 2868 HoareAnnotationTreeSize, 1685 FomulaSimplifications, 1947 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 22713 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1045 NumberOfCodeBlocks, 1045 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 2716 SizeOfPredicates, 6 NumberOfNonLiveVariables, 959 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 668/750 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: 639]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((((((((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && 2 == waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((pumpRunning == 0 && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == \old(pumpRunning) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((\result <= waterLevel && pumpRunning == 0) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && !(2 <= tmp)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 16:54:36,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aae2835-52cf-4080-9461-60c8d15381b9/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