./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/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_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/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_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/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 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c --- 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 17:03:27,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:03:27,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:03:27,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:03:27,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:03:27,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:03:27,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:03:27,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:03:27,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:03:27,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:03:27,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:03:27,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:03:27,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:03:27,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:03:27,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:03:27,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:03:27,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:03:27,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:03:27,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:03:27,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:03:27,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:03:27,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:03:27,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:03:27,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:03:27,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:03:27,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:03:27,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:03:27,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:03:27,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:03:27,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:03:27,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:03:27,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:03:27,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:03:27,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:03:27,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:03:27,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:03:27,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:03:27,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:03:27,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:03:27,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:03:27,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:03:27,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 17:03:27,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:03:27,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:03:27,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:03:27,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:03:27,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:03:27,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:03:27,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:03:27,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:03:27,966 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:03:27,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:03:27,967 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:03:27,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:03:27,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:03:27,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:03:27,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:03:27,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:03:27,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:03:27,968 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:03:27,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:03:27,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:03:27,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:03:27,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:03:27,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:03:27,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:03:27,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:03:27,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:03:27,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:03:27,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:03:27,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:03:27,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:03:27,972 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:03:27,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:03:27,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:03:27,973 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_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c [2022-11-21 17:03:28,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:03:28,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:03:28,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:03:28,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:03:28,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:03:28,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2022-11-21 17:03:31,399 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:03:31,685 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:03:31,686 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2022-11-21 17:03:31,704 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/data/7c2945f42/d872a0bccc89422a96b78fb5e4d2661a/FLAG50121da6e [2022-11-21 17:03:31,727 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/data/7c2945f42/d872a0bccc89422a96b78fb5e4d2661a [2022-11-21 17:03:31,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:03:31,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:03:31,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:03:31,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:03:31,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:03:31,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:03:31" (1/1) ... [2022-11-21 17:03:31,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb5432d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:31, skipping insertion in model container [2022-11-21 17:03:31,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:03:31" (1/1) ... [2022-11-21 17:03:31,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:03:31,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:03:31,963 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_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1605,1618] [2022-11-21 17:03:32,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:03:32,129 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:03:32,144 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_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c[1605,1618] [2022-11-21 17:03:32,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:03:32,234 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:03:32,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32 WrapperNode [2022-11-21 17:03:32,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:03:32,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:03:32,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:03:32,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:03:32,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,314 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 215 [2022-11-21 17:03:32,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:03:32,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:03:32,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:03:32,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:03:32,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:03:32,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:03:32,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:03:32,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:03:32,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (1/1) ... [2022-11-21 17:03:32,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:03:32,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:32,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:03:32,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:03:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:03:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-21 17:03:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-21 17:03:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-21 17:03:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-21 17:03:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-21 17:03:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-21 17:03:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-21 17:03:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-21 17:03:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 17:03:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 17:03:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-21 17:03:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-21 17:03:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:03:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-21 17:03:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-21 17:03:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:03:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:03:32,524 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:03:32,526 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:03:32,777 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:03:32,785 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:03:32,785 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 17:03:32,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:32 BoogieIcfgContainer [2022-11-21 17:03:32,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:03:32,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:03:32,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:03:32,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:03:32,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:03:31" (1/3) ... [2022-11-21 17:03:32,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d832218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:03:32, skipping insertion in model container [2022-11-21 17:03:32,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:32" (2/3) ... [2022-11-21 17:03:32,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d832218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:03:32, skipping insertion in model container [2022-11-21 17:03:32,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:32" (3/3) ... [2022-11-21 17:03:32,797 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2022-11-21 17:03:32,890 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:03:32,890 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:03:33,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:03:33,029 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;@2bfd159a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:03:33,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:03:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-21 17:03:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 17:03:33,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:33,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:33,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:33,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:33,075 INFO L85 PathProgramCache]: Analyzing trace with hash 528843452, now seen corresponding path program 1 times [2022-11-21 17:03:33,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:33,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505281045] [2022-11-21 17:03:33,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:33,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:03:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:33,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:33,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505281045] [2022-11-21 17:03:33,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505281045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:33,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:33,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:03:33,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104885196] [2022-11-21 17:03:33,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:33,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:03:33,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:33,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:03:33,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:03:33,445 INFO L87 Difference]: Start difference. First operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:03:33,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:33,485 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2022-11-21 17:03:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 17:03:33,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-21 17:03:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:33,507 INFO L225 Difference]: With dead ends: 176 [2022-11-21 17:03:33,508 INFO L226 Difference]: Without dead ends: 83 [2022-11-21 17:03:33,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:03:33,516 INFO L413 NwaCegarLoop]: 116 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, 116 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 17:03:33,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:03:33,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-21 17:03:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-21 17:03:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-21 17:03:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2022-11-21 17:03:33,579 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 23 [2022-11-21 17:03:33,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:33,582 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2022-11-21 17:03:33,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:03:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2022-11-21 17:03:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 17:03:33,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:33,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:33,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:03:33,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:33,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1324255922, now seen corresponding path program 1 times [2022-11-21 17:03:33,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:33,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830867634] [2022-11-21 17:03:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:33,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 17:03:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:33,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:33,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830867634] [2022-11-21 17:03:33,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830867634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:33,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:33,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:03:33,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261943514] [2022-11-21 17:03:33,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:33,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:33,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:33,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:33,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:03:33,731 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:03:33,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:33,758 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2022-11-21 17:03:33,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:33,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-21 17:03:33,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:33,765 INFO L225 Difference]: With dead ends: 131 [2022-11-21 17:03:33,766 INFO L226 Difference]: Without dead ends: 74 [2022-11-21 17:03:33,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:03:33,768 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 13 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 171 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 17:03:33,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:03:33,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-21 17:03:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-21 17:03:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-21 17:03:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2022-11-21 17:03:33,780 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 24 [2022-11-21 17:03:33,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:33,780 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2022-11-21 17:03:33,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:03:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-11-21 17:03:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 17:03:33,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:33,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:33,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:03:33,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:33,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:33,783 INFO L85 PathProgramCache]: Analyzing trace with hash -398467318, now seen corresponding path program 1 times [2022-11-21 17:03:33,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:33,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404946071] [2022-11-21 17:03:33,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:33,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:33,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:33,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404946071] [2022-11-21 17:03:33,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404946071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:33,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:33,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:03:33,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526151645] [2022-11-21 17:03:33,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:33,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:33,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:33,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:33,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:03:33,905 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:03:33,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:33,951 INFO L93 Difference]: Finished difference Result 141 states and 184 transitions. [2022-11-21 17:03:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:33,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-21 17:03:33,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:33,955 INFO L225 Difference]: With dead ends: 141 [2022-11-21 17:03:33,958 INFO L226 Difference]: Without dead ends: 74 [2022-11-21 17:03:33,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 17:03:33,962 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 93 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 17:03:33,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:03:33,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-21 17:03:33,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-21 17:03:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-21 17:03:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2022-11-21 17:03:33,995 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 29 [2022-11-21 17:03:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:33,995 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2022-11-21 17:03:33,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:03:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2022-11-21 17:03:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 17:03:34,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:34,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:34,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:03:34,002 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:34,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:34,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1454809844, now seen corresponding path program 1 times [2022-11-21 17:03:34,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:34,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978490267] [2022-11-21 17:03:34,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:34,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:03:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:03:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:34,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:34,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978490267] [2022-11-21 17:03:34,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978490267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:34,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:34,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:03:34,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897683586] [2022-11-21 17:03:34,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:34,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:03:34,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:34,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:03:34,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:34,285 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 17:03:34,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:34,578 INFO L93 Difference]: Finished difference Result 214 states and 271 transitions. [2022-11-21 17:03:34,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:03:34,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2022-11-21 17:03:34,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:34,581 INFO L225 Difference]: With dead ends: 214 [2022-11-21 17:03:34,581 INFO L226 Difference]: Without dead ends: 147 [2022-11-21 17:03:34,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:03:34,583 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 167 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:34,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 272 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:03:34,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-21 17:03:34,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2022-11-21 17:03:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 109 states have (on average 1.2568807339449541) internal successors, (137), 117 states have internal predecessors, (137), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-11-21 17:03:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 172 transitions. [2022-11-21 17:03:34,615 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 172 transitions. Word has length 39 [2022-11-21 17:03:34,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:34,616 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 172 transitions. [2022-11-21 17:03:34,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 17:03:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2022-11-21 17:03:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 17:03:34,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:34,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:34,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:03:34,618 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:34,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:34,619 INFO L85 PathProgramCache]: Analyzing trace with hash 2113308012, now seen corresponding path program 1 times [2022-11-21 17:03:34,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:34,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824416552] [2022-11-21 17:03:34,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:34,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:03:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:34,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:34,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824416552] [2022-11-21 17:03:34,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824416552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:34,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:34,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:03:34,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036319320] [2022-11-21 17:03:34,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:34,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:03:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:03:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:03:34,876 INFO L87 Difference]: Start difference. First operand 141 states and 172 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:03:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:35,148 INFO L93 Difference]: Finished difference Result 157 states and 188 transitions. [2022-11-21 17:03:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 17:03:35,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-11-21 17:03:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:35,151 INFO L225 Difference]: With dead ends: 157 [2022-11-21 17:03:35,151 INFO L226 Difference]: Without dead ends: 155 [2022-11-21 17:03:35,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:03:35,153 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 115 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:35,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 379 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:03:35,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-21 17:03:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 141. [2022-11-21 17:03:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 109 states have (on average 1.238532110091743) internal successors, (135), 117 states have internal predecessors, (135), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-11-21 17:03:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 170 transitions. [2022-11-21 17:03:35,179 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 170 transitions. Word has length 45 [2022-11-21 17:03:35,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:35,179 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 170 transitions. [2022-11-21 17:03:35,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:03:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2022-11-21 17:03:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 17:03:35,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:35,181 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] [2022-11-21 17:03:35,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:03:35,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:35,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:35,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2050569783, now seen corresponding path program 1 times [2022-11-21 17:03:35,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:35,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426846882] [2022-11-21 17:03:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:35,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:03:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,352 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 17:03:35,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:35,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426846882] [2022-11-21 17:03:35,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426846882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:35,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:35,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:03:35,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605471720] [2022-11-21 17:03:35,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:35,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:03:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:03:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:03:35,356 INFO L87 Difference]: Start difference. First operand 141 states and 170 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:03:35,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:35,543 INFO L93 Difference]: Finished difference Result 285 states and 350 transitions. [2022-11-21 17:03:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:03:35,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-21 17:03:35,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:35,547 INFO L225 Difference]: With dead ends: 285 [2022-11-21 17:03:35,547 INFO L226 Difference]: Without dead ends: 151 [2022-11-21 17:03:35,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:03:35,555 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 66 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:35,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 345 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:03:35,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-21 17:03:35,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 144. [2022-11-21 17:03:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 120 states have internal predecessors, (138), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-11-21 17:03:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 173 transitions. [2022-11-21 17:03:35,612 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 173 transitions. Word has length 51 [2022-11-21 17:03:35,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:35,613 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 173 transitions. [2022-11-21 17:03:35,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:03:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 173 transitions. [2022-11-21 17:03:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 17:03:35,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:35,622 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] [2022-11-21 17:03:35,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:03:35,623 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:35,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1988530169, now seen corresponding path program 1 times [2022-11-21 17:03:35,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:35,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191579900] [2022-11-21 17:03:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:35,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:03:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:35,825 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 17:03:35,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:35,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191579900] [2022-11-21 17:03:35,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191579900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:35,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:35,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:03:35,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342020711] [2022-11-21 17:03:35,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:35,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:03:35,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:35,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:03:35,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:03:35,829 INFO L87 Difference]: Start difference. First operand 144 states and 173 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:03:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:36,010 INFO L93 Difference]: Finished difference Result 294 states and 360 transitions. [2022-11-21 17:03:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:03:36,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-21 17:03:36,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:36,015 INFO L225 Difference]: With dead ends: 294 [2022-11-21 17:03:36,015 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:03:36,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:03:36,021 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 150 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:36,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 268 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:03:36,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:03:36,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 146. [2022-11-21 17:03:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 122 states have internal predecessors, (140), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-11-21 17:03:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 175 transitions. [2022-11-21 17:03:36,060 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 175 transitions. Word has length 51 [2022-11-21 17:03:36,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:36,062 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 175 transitions. [2022-11-21 17:03:36,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:03:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 175 transitions. [2022-11-21 17:03:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 17:03:36,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:36,066 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] [2022-11-21 17:03:36,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:03:36,068 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:36,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1796964037, now seen corresponding path program 1 times [2022-11-21 17:03:36,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:36,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12334530] [2022-11-21 17:03:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:36,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:03:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,182 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 17:03:36,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:36,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12334530] [2022-11-21 17:03:36,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12334530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:36,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:36,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:03:36,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112584321] [2022-11-21 17:03:36,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:36,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:03:36,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:36,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:03:36,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:36,185 INFO L87 Difference]: Start difference. First operand 146 states and 175 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 17:03:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:36,456 INFO L93 Difference]: Finished difference Result 402 states and 507 transitions. [2022-11-21 17:03:36,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:03:36,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2022-11-21 17:03:36,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:36,461 INFO L225 Difference]: With dead ends: 402 [2022-11-21 17:03:36,461 INFO L226 Difference]: Without dead ends: 263 [2022-11-21 17:03:36,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:03:36,464 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 186 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:36,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 295 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:03:36,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-11-21 17:03:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2022-11-21 17:03:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 201 states have (on average 1.2189054726368158) internal successors, (245), 213 states have internal predecessors, (245), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2022-11-21 17:03:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2022-11-21 17:03:36,507 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 51 [2022-11-21 17:03:36,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:36,507 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2022-11-21 17:03:36,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 17:03:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2022-11-21 17:03:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 17:03:36,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:36,509 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] [2022-11-21 17:03:36,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 17:03:36,509 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:36,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:36,510 INFO L85 PathProgramCache]: Analyzing trace with hash 885279839, now seen corresponding path program 1 times [2022-11-21 17:03:36,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:36,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947796144] [2022-11-21 17:03:36,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:36,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:03:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 17:03:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 17:03:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:36,796 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 17:03:36,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:36,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947796144] [2022-11-21 17:03:36,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947796144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:36,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:36,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 17:03:36,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393903667] [2022-11-21 17:03:36,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:36,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 17:03:36,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:36,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 17:03:36,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:03:36,800 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 17:03:37,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:37,552 INFO L93 Difference]: Finished difference Result 817 states and 1039 transitions. [2022-11-21 17:03:37,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-21 17:03:37,553 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-11-21 17:03:37,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:37,557 INFO L225 Difference]: With dead ends: 817 [2022-11-21 17:03:37,557 INFO L226 Difference]: Without dead ends: 563 [2022-11-21 17:03:37,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2022-11-21 17:03:37,559 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 368 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:37,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 524 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 17:03:37,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-11-21 17:03:37,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 538. [2022-11-21 17:03:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 412 states have (on average 1.191747572815534) internal successors, (491), 440 states have internal predecessors, (491), 64 states have call successors, (64), 54 states have call predecessors, (64), 61 states have return successors, (103), 63 states have call predecessors, (103), 64 states have call successors, (103) [2022-11-21 17:03:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 658 transitions. [2022-11-21 17:03:37,649 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 658 transitions. Word has length 55 [2022-11-21 17:03:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:37,650 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 658 transitions. [2022-11-21 17:03:37,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 17:03:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 658 transitions. [2022-11-21 17:03:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-21 17:03:37,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:37,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:37,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 17:03:37,654 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:37,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:37,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1520465863, now seen corresponding path program 1 times [2022-11-21 17:03:37,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:37,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061141240] [2022-11-21 17:03:37,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:37,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:03:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:03:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 17:03:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:03:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:03:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:03:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 17:03:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:03:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 17:03:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 17:03:38,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:38,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061141240] [2022-11-21 17:03:38,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061141240] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:03:38,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574877850] [2022-11-21 17:03:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:38,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:38,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:38,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:03:38,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:03:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:38,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 17:03:38,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:03:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 17:03:38,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:03:38,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574877850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:38,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:03:38,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 21 [2022-11-21 17:03:38,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478467792] [2022-11-21 17:03:38,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:38,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:03:38,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:38,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:03:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2022-11-21 17:03:38,421 INFO L87 Difference]: Start difference. First operand 538 states and 658 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-21 17:03:38,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:38,607 INFO L93 Difference]: Finished difference Result 1071 states and 1312 transitions. [2022-11-21 17:03:38,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:03:38,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2022-11-21 17:03:38,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:38,611 INFO L225 Difference]: With dead ends: 1071 [2022-11-21 17:03:38,611 INFO L226 Difference]: Without dead ends: 540 [2022-11-21 17:03:38,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-11-21 17:03:38,614 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 66 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:38,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 658 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:03:38,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-11-21 17:03:38,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 538. [2022-11-21 17:03:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 412 states have (on average 1.1771844660194175) internal successors, (485), 440 states have internal predecessors, (485), 64 states have call successors, (64), 54 states have call predecessors, (64), 61 states have return successors, (92), 63 states have call predecessors, (92), 64 states have call successors, (92) [2022-11-21 17:03:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 641 transitions. [2022-11-21 17:03:38,678 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 641 transitions. Word has length 102 [2022-11-21 17:03:38,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:38,678 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 641 transitions. [2022-11-21 17:03:38,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-21 17:03:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 641 transitions. [2022-11-21 17:03:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-21 17:03:38,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:38,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:38,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:03:38,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 17:03:38,888 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:38,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:38,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1135855989, now seen corresponding path program 1 times [2022-11-21 17:03:38,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:38,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542910178] [2022-11-21 17:03:38,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:38,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:03:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:03:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:03:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 17:03:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:03:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:03:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 17:03:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 17:03:39,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:39,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542910178] [2022-11-21 17:03:39,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542910178] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:03:39,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224276662] [2022-11-21 17:03:39,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:39,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:39,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:39,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:03:39,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:03:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 17:03:39,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:03:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 17:03:39,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:03:39,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224276662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:39,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:03:39,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2022-11-21 17:03:39,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943954454] [2022-11-21 17:03:39,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:39,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:03:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:39,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:03:39,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:03:39,526 INFO L87 Difference]: Start difference. First operand 538 states and 641 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-21 17:03:39,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:39,758 INFO L93 Difference]: Finished difference Result 1345 states and 1670 transitions. [2022-11-21 17:03:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:03:39,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 98 [2022-11-21 17:03:39,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:39,765 INFO L225 Difference]: With dead ends: 1345 [2022-11-21 17:03:39,766 INFO L226 Difference]: Without dead ends: 910 [2022-11-21 17:03:39,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:03:39,769 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 167 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:39,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 630 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:03:39,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-11-21 17:03:39,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 752. [2022-11-21 17:03:39,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 574 states have (on average 1.1794425087108014) internal successors, (677), 612 states have internal predecessors, (677), 90 states have call successors, (90), 78 states have call predecessors, (90), 87 states have return successors, (135), 85 states have call predecessors, (135), 90 states have call successors, (135) [2022-11-21 17:03:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 902 transitions. [2022-11-21 17:03:39,909 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 902 transitions. Word has length 98 [2022-11-21 17:03:39,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:39,909 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 902 transitions. [2022-11-21 17:03:39,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-21 17:03:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 902 transitions. [2022-11-21 17:03:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-21 17:03:39,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:39,912 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:39,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:03:40,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-21 17:03:40,118 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:40,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:40,119 INFO L85 PathProgramCache]: Analyzing trace with hash -669582345, now seen corresponding path program 1 times [2022-11-21 17:03:40,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:40,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348840] [2022-11-21 17:03:40,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:40,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:03:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:03:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:03:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:03:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:03:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 17:03:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:03:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:03:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 17:03:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 17:03:40,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:40,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348840] [2022-11-21 17:03:40,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348840] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:03:40,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075699771] [2022-11-21 17:03:40,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:40,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:40,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:40,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:03:40,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:03:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:40,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:03:40,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:03:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 17:03:40,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:03:40,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075699771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:40,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:03:40,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-11-21 17:03:40,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745353821] [2022-11-21 17:03:40,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:40,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:03:40,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:40,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:03:40,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:03:40,473 INFO L87 Difference]: Start difference. First operand 752 states and 902 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 17:03:40,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:40,544 INFO L93 Difference]: Finished difference Result 1039 states and 1244 transitions. [2022-11-21 17:03:40,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:03:40,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-11-21 17:03:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:40,546 INFO L225 Difference]: With dead ends: 1039 [2022-11-21 17:03:40,546 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:03:40,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:03:40,549 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 36 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:40,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 335 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:03:40,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:03:40,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:03:40,551 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 17:03:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:03:40,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2022-11-21 17:03:40,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:40,552 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:03:40,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 17:03:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:03:40,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:03:40,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:03:40,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:03:40,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-21 17:03:40,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 17:03:45,394 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 304 310) no Hoare annotation was computed. [2022-11-21 17:03:45,395 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 304 310) the Hoare annotation is: true [2022-11-21 17:03:45,395 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 93 104) no Hoare annotation was computed. [2022-11-21 17:03:45,395 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 93 104) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (<= 1 ~methaneLevelCritical~0) .cse3 .cse2 (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or (not (= ~waterLevel~0 1)) .cse0 .cse3 .cse1 .cse2))) [2022-11-21 17:03:45,395 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 93 104) no Hoare annotation was computed. [2022-11-21 17:03:45,395 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2022-11-21 17:03:45,395 INFO L899 garLoopResultBuilder]: For program point L481-2(lines 481 485) no Hoare annotation was computed. [2022-11-21 17:03:45,396 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse3 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse6 (< 0 (+ |timeShift_isLowWaterLevel_~tmp~5#1| 1)) (<= |timeShift_isLowWaterLevel_~tmp~5#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6) .cse3 .cse4) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse6 (= ~waterLevel~0 1))) (or .cse7 (and .cse6 .cse2) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse4)))) [2022-11-21 17:03:45,396 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2022-11-21 17:03:45,396 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2022-11-21 17:03:45,396 INFO L895 garLoopResultBuilder]: At program point L73-2(lines 69 80) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse6 .cse2 .cse3))) [2022-11-21 17:03:45,396 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 280 303) no Hoare annotation was computed. [2022-11-21 17:03:45,396 INFO L899 garLoopResultBuilder]: For program point L284-1(lines 283 302) no Hoare annotation was computed. [2022-11-21 17:03:45,396 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 354) no Hoare annotation was computed. [2022-11-21 17:03:45,396 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 359) no Hoare annotation was computed. [2022-11-21 17:03:45,397 INFO L895 garLoopResultBuilder]: At program point L487(lines 472 490) the Hoare annotation is: (let ((.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< 0 (+ |timeShift_isLowWaterLevel_~tmp~5#1| 1)) (<= |timeShift_isLowWaterLevel_~tmp~5#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse5))) [2022-11-21 17:03:45,397 INFO L895 garLoopResultBuilder]: At program point L165(lines 160 168) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse3 .cse5 .cse6))) [2022-11-21 17:03:45,397 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2022-11-21 17:03:45,397 INFO L895 garLoopResultBuilder]: At program point L413(lines 408 416) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse5 (< 0 (+ |timeShift_isLowWaterLevel_~tmp~5#1| 1)) (<= |timeShift_isLowWaterLevel_~tmp~5#1| 0) .cse6 (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0)) .cse7) (or .cse1 .cse3 .cse7))) [2022-11-21 17:03:45,397 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-21 17:03:45,398 INFO L895 garLoopResultBuilder]: At program point L508-1(lines 500 524) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0)) (.cse10 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (<= 1 |timeShift_processEnvironment_~tmp~2#1|)) (.cse3 (< 0 (+ |timeShift_isLowWaterLevel_~tmp~5#1| 1))) (.cse4 (<= |timeShift_isLowWaterLevel_~tmp~5#1| 0)) (.cse5 (<= 0 |timeShift_isLowWaterSensorDry_#res#1|)) (.cse6 (<= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|)) (.cse8 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse11 (<= 1 ~waterLevel~0)) (.cse15 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse14 (and (<= 2 ~waterLevel~0) .cse9 .cse10 .cse18)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not .cse9)) (.cse16 (not (<= 1 ~methaneLevelCritical~0))) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13 .cse14 .cse15) (or .cse12 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11) .cse16 (and .cse17 .cse2 .cse18) .cse15) (or .cse1 .cse12 (and .cse17 .cse2 .cse10 .cse18) (not (<= 1 |old(~waterLevel~0)|)) .cse13 .cse14) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse12 .cse16 (and .cse17 .cse2 (= ~waterLevel~0 1)))))) [2022-11-21 17:03:45,398 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-21 17:03:45,398 INFO L895 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse3 .cse5))) [2022-11-21 17:03:45,398 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse3 .cse5))) [2022-11-21 17:03:45,398 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 280 303) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse5 (= ~waterLevel~0 1))) (or .cse4 (and .cse5 .cse6) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse7) (or .cse0 .cse7 .cse2 .cse3)))) [2022-11-21 17:03:45,398 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 280 303) no Hoare annotation was computed. [2022-11-21 17:03:45,399 INFO L895 garLoopResultBuilder]: At program point L394(lines 389 396) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (= ~pumpRunning~0 0) (< 0 (+ |timeShift_isLowWaterLevel_~tmp~5#1| 1)) (<= |timeShift_isLowWaterLevel_~tmp~5#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse6 .cse4 .cse5))) [2022-11-21 17:03:45,403 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-21 17:03:45,403 INFO L895 garLoopResultBuilder]: At program point L357(line 357) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse6 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1))) (or .cse0 .cse7 (and .cse2 .cse3) .cse5) (or .cse6 (and .cse3 .cse4) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse7))) [2022-11-21 17:03:45,403 INFO L895 garLoopResultBuilder]: At program point L357-1(lines 338 362) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse3 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse6 (< 0 (+ |timeShift_isLowWaterLevel_~tmp~5#1| 1)) (<= |timeShift_isLowWaterLevel_~tmp~5#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~1#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6) .cse3 .cse4) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse6 (= ~waterLevel~0 1))) (or .cse7 (and .cse6 .cse2) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse4)))) [2022-11-21 17:03:45,404 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2022-11-21 17:03:45,404 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-21 17:03:45,404 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2022-11-21 17:03:45,404 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 172 201) the Hoare annotation is: true [2022-11-21 17:03:45,404 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2022-11-21 17:03:45,404 INFO L902 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2022-11-21 17:03:45,404 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-11-21 17:03:45,405 INFO L902 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2022-11-21 17:03:45,405 INFO L902 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2022-11-21 17:03:45,405 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2022-11-21 17:03:45,405 INFO L902 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2022-11-21 17:03:45,405 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 105 113) the Hoare annotation is: true [2022-11-21 17:03:45,406 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 105 113) no Hoare annotation was computed. [2022-11-21 17:03:45,406 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 105 113) no Hoare annotation was computed. [2022-11-21 17:03:45,406 INFO L899 garLoopResultBuilder]: For program point L258-2(lines 258 265) no Hoare annotation was computed. [2022-11-21 17:03:45,406 INFO L902 garLoopResultBuilder]: At program point L242(lines 235 244) the Hoare annotation is: true [2022-11-21 17:03:45,407 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 562) no Hoare annotation was computed. [2022-11-21 17:03:45,407 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2022-11-21 17:03:45,407 INFO L902 garLoopResultBuilder]: At program point L267(lines 248 270) the Hoare annotation is: true [2022-11-21 17:03:45,407 INFO L895 garLoopResultBuilder]: At program point L581(lines 536 583) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2022-11-21 17:03:45,407 INFO L895 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2022-11-21 17:03:45,407 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:03:45,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 17:03:45,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 17:03:45,408 INFO L895 garLoopResultBuilder]: At program point L623(lines 618 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 17:03:45,408 INFO L895 garLoopResultBuilder]: At program point L615(lines 611 617) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 17:03:45,408 INFO L895 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 17:03:45,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:03:45,409 INFO L899 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2022-11-21 17:03:45,409 INFO L895 garLoopResultBuilder]: At program point L574-2(lines 566 579) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2022-11-21 17:03:45,409 INFO L899 garLoopResultBuilder]: For program point L537(lines 536 583) no Hoare annotation was computed. [2022-11-21 17:03:45,409 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2022-11-21 17:03:45,409 INFO L895 garLoopResultBuilder]: At program point L496(lines 491 498) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2022-11-21 17:03:45,410 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2022-11-21 17:03:45,410 INFO L902 garLoopResultBuilder]: At program point L587(lines 526 591) the Hoare annotation is: true [2022-11-21 17:03:45,410 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2022-11-21 17:03:45,410 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2022-11-21 17:03:45,410 INFO L895 garLoopResultBuilder]: At program point L608(lines 604 610) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 17:03:45,411 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2022-11-21 17:03:45,411 INFO L895 garLoopResultBuilder]: At program point L584(lines 535 585) the Hoare annotation is: false [2022-11-21 17:03:45,411 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 265) no Hoare annotation was computed. [2022-11-21 17:03:45,411 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 312 336) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-21 17:03:45,411 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2022-11-21 17:03:45,411 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 333) no Hoare annotation was computed. [2022-11-21 17:03:45,412 INFO L895 garLoopResultBuilder]: At program point L155(lines 146 159) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 (<= 2 ~waterLevel~0))) (or .cse0 .cse3 .cse1 .cse2 .cse5) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse4 .cse5))) [2022-11-21 17:03:45,413 INFO L895 garLoopResultBuilder]: At program point L368(lines 363 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-21 17:03:45,413 INFO L895 garLoopResultBuilder]: At program point L331(line 331) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-21 17:03:45,414 INFO L899 garLoopResultBuilder]: For program point L331-1(lines 312 336) no Hoare annotation was computed. [2022-11-21 17:03:45,415 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 312 336) no Hoare annotation was computed. [2022-11-21 17:03:45,415 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 385) no Hoare annotation was computed. [2022-11-21 17:03:45,415 INFO L895 garLoopResultBuilder]: At program point L379-2(lines 372 388) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~3#1|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))))) [2022-11-21 17:03:45,415 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2022-11-21 17:03:45,416 INFO L895 garLoopResultBuilder]: At program point L468(lines 453 471) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse6)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4)))) [2022-11-21 17:03:45,417 INFO L895 garLoopResultBuilder]: At program point L404(lines 397 407) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse4)) (or .cse0 .cse1 (not .cse4) .cse2 (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))))) [2022-11-21 17:03:45,417 INFO L895 garLoopResultBuilder]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3))) [2022-11-21 17:03:45,417 INFO L899 garLoopResultBuilder]: For program point L402-1(line 402) no Hoare annotation was computed. [2022-11-21 17:03:45,418 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2022-11-21 17:03:45,418 INFO L899 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2022-11-21 17:03:45,418 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse4))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)))))) [2022-11-21 17:03:45,418 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 81 92) no Hoare annotation was computed. [2022-11-21 17:03:45,418 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2022-11-21 17:03:45,419 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 81 92) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (= ~waterLevel~0 1)) (or .cse3 .cse0 (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2022-11-21 17:03:45,422 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:45,424 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:03:45,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:03:45 BoogieIcfgContainer [2022-11-21 17:03:45,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:03:45,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:03:45,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:03:45,480 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:03:45,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:32" (3/4) ... [2022-11-21 17:03:45,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:03:45,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-21 17:03:45,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-21 17:03:45,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-21 17:03:45,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-21 17:03:45,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-21 17:03:45,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 17:03:45,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-21 17:03:45,506 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 17:03:45,506 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 17:03:45,507 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 17:03:45,507 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:03:45,508 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:03:45,539 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-21 17:03:45,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) [2022-11-21 17:03:45,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 == systemActive) && tmp == 0) && 1 <= waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((2 <= waterLevel && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || ((((((((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 == systemActive) && 1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((2 <= waterLevel && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == 1)) [2022-11-21 17:03:45,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == methaneLevelCritical)) [2022-11-21 17:03:45,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || (((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && \result == 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) [2022-11-21 17:03:45,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && 0 <= \result) && \result <= 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && 0 <= \result) && \result <= 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-21 17:03:45,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && 2 <= waterLevel) && \result == methaneLevelCritical)) [2022-11-21 17:03:45,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(methaneLevelCritical == 0)) [2022-11-21 17:03:45,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-21 17:03:45,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) [2022-11-21 17:03:45,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) [2022-11-21 17:03:45,545 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && tmp___0 == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && tmp___0 == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-11-21 17:03:45,545 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-21 17:03:45,583 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:03:45,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:03:45,584 INFO L158 Benchmark]: Toolchain (without parser) took 13852.65ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 106.0MB in the beginning and 131.7MB in the end (delta: -25.7MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2022-11-21 17:03:45,584 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:03:45,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.92ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 87.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 17:03:45,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.36ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 84.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:03:45,585 INFO L158 Benchmark]: Boogie Preprocessor took 29.63ms. Allocated memory is still 151.0MB. Free memory was 84.6MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:03:45,586 INFO L158 Benchmark]: RCFGBuilder took 441.54ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 66.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:03:45,586 INFO L158 Benchmark]: TraceAbstraction took 12689.69ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 65.4MB in the beginning and 138.0MB in the end (delta: -72.6MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. [2022-11-21 17:03:45,587 INFO L158 Benchmark]: Witness Printer took 103.18ms. Allocated memory is still 251.7MB. Free memory was 136.9MB in the beginning and 131.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 17:03:45,589 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 102.8MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.92ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 87.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.36ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 84.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.63ms. Allocated memory is still 151.0MB. Free memory was 84.6MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.54ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 66.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12689.69ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 65.4MB in the beginning and 138.0MB in the end (delta: -72.6MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. * Witness Printer took 103.18ms. Allocated memory is still 251.7MB. Free memory was 136.9MB in the beginning and 131.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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 8 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1441 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1409 mSDsluCounter, 4086 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2796 mSDsCounter, 324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1323 IncrementalHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 324 mSolverCounterUnsat, 1290 mSDtfsCounter, 1323 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 400 SyntacticMatches, 5 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=11, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 225 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1422 PreInvPairs, 1572 NumberOfFragments, 2300 HoareAnnotationTreeSize, 1422 FomulaSimplifications, 195 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 6159 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 1729 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1031 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 184/206 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: 604]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && 2 <= waterLevel) && \result == methaneLevelCritical)) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && tmp___0 == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && tmp___0 == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && 0 <= \result) && \result <= 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && 0 <= \result) && \result <= 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((1 <= methaneLevelCritical && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == methaneLevelCritical)) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (((((((((((((((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 == systemActive) && tmp == 0) && 1 <= waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((2 <= waterLevel && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || ((((((((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 == systemActive) && 1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((2 <= waterLevel && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == 1)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || (((((((((1 <= tmp && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0) && \result == 0) && 0 <= \result) && \result <= 0) && 1 <= tmp___0) && 1 <= \result) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2022-11-21 17:03:45,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d5bdbc6-27bb-4d37-8b76-c9d87530cca1/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