./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/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_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/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_5613c769-299c-44a4-9932-a2e7418ce848/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 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:20:00,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:20:00,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:20:00,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:20:00,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:20:00,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:20:00,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:20:00,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:20:00,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:20:00,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:20:00,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:20:00,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:20:00,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:20:00,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:20:00,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:20:00,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:20:00,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:20:00,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:20:00,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:20:00,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:20:00,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:20:00,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:20:00,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:20:00,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:20:00,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:20:00,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:20:00,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:20:00,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:20:00,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:20:00,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:20:00,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:20:00,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:20:00,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:20:00,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:20:00,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:20:00,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:20:00,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:20:00,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:20:00,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:20:00,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:20:00,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:20:00,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:20:00,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:20:00,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:20:00,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:20:00,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:20:00,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:20:00,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:20:00,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:20:00,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:20:00,320 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:20:00,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:20:00,322 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:20:00,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:20:00,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:20:00,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:20:00,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:20:00,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:20:00,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:20:00,323 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:20:00,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:20:00,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:20:00,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:20:00,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:20:00,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:20:00,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:20:00,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:00,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:20:00,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:20:00,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:20:00,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:20:00,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:20:00,326 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:20:00,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:20:00,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:20:00,327 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_5613c769-299c-44a4-9932-a2e7418ce848/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2022-11-21 16:20:00,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:20:00,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:20:00,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:20:00,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:20:00,742 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:20:00,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2022-11-21 16:20:03,795 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:20:04,134 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:20:04,135 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2022-11-21 16:20:04,146 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/data/9bd868916/afd5ba6eca0847758bb80136e500b1af/FLAG0024f9140 [2022-11-21 16:20:04,443 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/data/9bd868916/afd5ba6eca0847758bb80136e500b1af [2022-11-21 16:20:04,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:20:04,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:20:04,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:04,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:20:04,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:20:04,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:04,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e206d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04, skipping insertion in model container [2022-11-21 16:20:04,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:04,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:20:04,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:20:04,791 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_5613c769-299c-44a4-9932-a2e7418ce848/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2022-11-21 16:20:04,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:04,882 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:20:04,913 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_5613c769-299c-44a4-9932-a2e7418ce848/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2022-11-21 16:20:04,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:04,965 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:20:04,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04 WrapperNode [2022-11-21 16:20:04,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:04,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:04,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:20:04,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:20:04,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:04,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,014 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 193 [2022-11-21 16:20:05,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:05,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:20:05,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:20:05,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:20:05,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,066 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:20:05,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:20:05,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:20:05,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:20:05,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (1/1) ... [2022-11-21 16:20:05,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:20:05,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:20:05,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:20:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:20:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-21 16:20:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-21 16:20:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-21 16:20:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-21 16:20:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-21 16:20:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-21 16:20:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-21 16:20:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-21 16:20:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-21 16:20:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-21 16:20:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:20:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-21 16:20:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-21 16:20:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:20:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:20:05,302 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:20:05,304 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:20:05,734 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:20:05,748 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:20:05,750 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:20:05,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:05 BoogieIcfgContainer [2022-11-21 16:20:05,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:20:05,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:20:05,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:20:05,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:20:05,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:20:04" (1/3) ... [2022-11-21 16:20:05,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a871cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:05, skipping insertion in model container [2022-11-21 16:20:05,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:04" (2/3) ... [2022-11-21 16:20:05,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a871cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:05, skipping insertion in model container [2022-11-21 16:20:05,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:05" (3/3) ... [2022-11-21 16:20:05,763 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2022-11-21 16:20:05,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:20:05,782 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:20:05,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:20:05,833 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;@46df9b1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:20:05,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:20:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-21 16:20:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 16:20:05,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:05,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:05,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:05,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:05,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1617756963, now seen corresponding path program 1 times [2022-11-21 16:20:05,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:05,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121748297] [2022-11-21 16:20:05,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:20:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:06,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:06,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121748297] [2022-11-21 16:20:06,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121748297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:06,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:06,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:20:06,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450077880] [2022-11-21 16:20:06,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:06,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:20:06,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:06,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:20:06,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:20:06,174 INFO L87 Difference]: Start difference. First operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:20:06,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:06,206 INFO L93 Difference]: Finished difference Result 156 states and 213 transitions. [2022-11-21 16:20:06,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:20:06,209 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-21 16:20:06,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:06,218 INFO L225 Difference]: With dead ends: 156 [2022-11-21 16:20:06,218 INFO L226 Difference]: Without dead ends: 73 [2022-11-21 16:20:06,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:20:06,226 INFO L413 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:06,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:20:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-21 16:20:06,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-21 16:20:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 62 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-21 16:20:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-11-21 16:20:06,274 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 25 [2022-11-21 16:20:06,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:06,274 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-11-21 16:20:06,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:20:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-11-21 16:20:06,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 16:20:06,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:06,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:06,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:20:06,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:06,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:06,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1176803179, now seen corresponding path program 1 times [2022-11-21 16:20:06,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:06,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651710861] [2022-11-21 16:20:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:06,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 16:20:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:06,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:06,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651710861] [2022-11-21 16:20:06,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651710861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:06,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:06,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:20:06,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108560555] [2022-11-21 16:20:06,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:06,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:20:06,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:06,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:20:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:20:06,471 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:20:06,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:06,489 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2022-11-21 16:20:06,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:20:06,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-21 16:20:06,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:06,492 INFO L225 Difference]: With dead ends: 111 [2022-11-21 16:20:06,492 INFO L226 Difference]: Without dead ends: 64 [2022-11-21 16:20:06,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:20:06,494 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:06,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:20:06,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-21 16:20:06,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-21 16:20:06,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 56 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-21 16:20:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2022-11-21 16:20:06,509 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 26 [2022-11-21 16:20:06,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:06,509 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2022-11-21 16:20:06,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:20:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-11-21 16:20:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 16:20:06,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:06,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:06,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:20:06,512 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:06,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:06,513 INFO L85 PathProgramCache]: Analyzing trace with hash 414343402, now seen corresponding path program 1 times [2022-11-21 16:20:06,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:06,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277142041] [2022-11-21 16:20:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:20:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:06,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:06,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277142041] [2022-11-21 16:20:06,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277142041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:06,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:06,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:20:06,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240897579] [2022-11-21 16:20:06,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:06,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:20:06,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:06,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:20:06,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:20:06,749 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:20:06,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:06,858 INFO L93 Difference]: Finished difference Result 121 states and 158 transitions. [2022-11-21 16:20:06,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:20:06,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-21 16:20:06,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:06,864 INFO L225 Difference]: With dead ends: 121 [2022-11-21 16:20:06,865 INFO L226 Difference]: Without dead ends: 64 [2022-11-21 16:20:06,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:20:06,867 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 107 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:06,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 193 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:20:06,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-21 16:20:06,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-21 16:20:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-21 16:20:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-11-21 16:20:06,895 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 31 [2022-11-21 16:20:06,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:06,895 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-11-21 16:20:06,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:20:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-11-21 16:20:06,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 16:20:06,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:06,897 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] [2022-11-21 16:20:06,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:20:06,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:06,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:06,898 INFO L85 PathProgramCache]: Analyzing trace with hash 808202887, now seen corresponding path program 1 times [2022-11-21 16:20:06,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:06,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404288476] [2022-11-21 16:20:06,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:06,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:20:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:20:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:07,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:07,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404288476] [2022-11-21 16:20:07,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404288476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:07,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:07,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:20:07,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49376807] [2022-11-21 16:20:07,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:07,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:20:07,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:07,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:20:07,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:20:07,068 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:20:07,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:07,103 INFO L93 Difference]: Finished difference Result 163 states and 210 transitions. [2022-11-21 16:20:07,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:20:07,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-21 16:20:07,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:07,105 INFO L225 Difference]: With dead ends: 163 [2022-11-21 16:20:07,105 INFO L226 Difference]: Without dead ends: 106 [2022-11-21 16:20:07,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:20:07,108 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 54 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 149 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 16:20:07,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 149 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:20:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-21 16:20:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2022-11-21 16:20:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 89 states have internal predecessors, (107), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-21 16:20:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2022-11-21 16:20:07,127 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 36 [2022-11-21 16:20:07,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:07,127 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2022-11-21 16:20:07,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:20:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2022-11-21 16:20:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 16:20:07,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:07,129 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] [2022-11-21 16:20:07,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:20:07,130 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:07,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:07,130 INFO L85 PathProgramCache]: Analyzing trace with hash 165647039, now seen corresponding path program 1 times [2022-11-21 16:20:07,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:07,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828109745] [2022-11-21 16:20:07,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:07,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:20:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 16:20:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:07,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:07,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828109745] [2022-11-21 16:20:07,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828109745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:07,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:07,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:20:07,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640457150] [2022-11-21 16:20:07,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:07,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:20:07,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:07,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:20:07,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:20:07,303 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:20:07,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:07,448 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2022-11-21 16:20:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:20:07,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-11-21 16:20:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:07,453 INFO L225 Difference]: With dead ends: 288 [2022-11-21 16:20:07,453 INFO L226 Difference]: Without dead ends: 191 [2022-11-21 16:20:07,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:20:07,456 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 41 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:07,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 316 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:20:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-21 16:20:07,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2022-11-21 16:20:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 146 states have (on average 1.2808219178082192) internal successors, (187), 156 states have internal predecessors, (187), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-21 16:20:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 235 transitions. [2022-11-21 16:20:07,546 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 235 transitions. Word has length 42 [2022-11-21 16:20:07,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:07,547 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 235 transitions. [2022-11-21 16:20:07,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:20:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2022-11-21 16:20:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 16:20:07,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:07,549 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, 1] [2022-11-21 16:20:07,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:20:07,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:07,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:07,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1345519451, now seen corresponding path program 1 times [2022-11-21 16:20:07,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:07,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500030024] [2022-11-21 16:20:07,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:07,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:20:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:20:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:07,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500030024] [2022-11-21 16:20:07,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500030024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:07,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:07,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:20:07,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754240867] [2022-11-21 16:20:07,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:07,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:20:07,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:07,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:20:07,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:20:07,736 INFO L87 Difference]: Start difference. First operand 185 states and 235 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:08,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:08,021 INFO L93 Difference]: Finished difference Result 469 states and 631 transitions. [2022-11-21 16:20:08,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:20:08,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-11-21 16:20:08,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:08,031 INFO L225 Difference]: With dead ends: 469 [2022-11-21 16:20:08,032 INFO L226 Difference]: Without dead ends: 372 [2022-11-21 16:20:08,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:20:08,042 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 164 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:08,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 312 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:20:08,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-21 16:20:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 348. [2022-11-21 16:20:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.2707581227436824) internal successors, (352), 300 states have internal predecessors, (352), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-21 16:20:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 450 transitions. [2022-11-21 16:20:08,133 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 450 transitions. Word has length 46 [2022-11-21 16:20:08,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:08,135 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 450 transitions. [2022-11-21 16:20:08,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 450 transitions. [2022-11-21 16:20:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 16:20:08,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:08,146 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, 1] [2022-11-21 16:20:08,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:20:08,146 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:08,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:08,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1126664733, now seen corresponding path program 1 times [2022-11-21 16:20:08,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:08,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259025363] [2022-11-21 16:20:08,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:08,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:20:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:20:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:08,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:08,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259025363] [2022-11-21 16:20:08,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259025363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:08,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:08,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:20:08,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185219038] [2022-11-21 16:20:08,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:08,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:20:08,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:08,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:20:08,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:20:08,264 INFO L87 Difference]: Start difference. First operand 348 states and 450 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:08,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:08,526 INFO L93 Difference]: Finished difference Result 721 states and 948 transitions. [2022-11-21 16:20:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:20:08,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-11-21 16:20:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:08,531 INFO L225 Difference]: With dead ends: 721 [2022-11-21 16:20:08,531 INFO L226 Difference]: Without dead ends: 457 [2022-11-21 16:20:08,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:20:08,534 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 152 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:08,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 355 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:20:08,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-21 16:20:08,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 348. [2022-11-21 16:20:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.263537906137184) internal successors, (350), 300 states have internal predecessors, (350), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-21 16:20:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 448 transitions. [2022-11-21 16:20:08,597 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 448 transitions. Word has length 46 [2022-11-21 16:20:08,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:08,597 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 448 transitions. [2022-11-21 16:20:08,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 448 transitions. [2022-11-21 16:20:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 16:20:08,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:08,605 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, 1] [2022-11-21 16:20:08,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:20:08,605 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:08,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1944313183, now seen corresponding path program 1 times [2022-11-21 16:20:08,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:08,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288749552] [2022-11-21 16:20:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:08,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:20:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:20:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:08,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:08,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288749552] [2022-11-21 16:20:08,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288749552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:08,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:08,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:20:08,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198663243] [2022-11-21 16:20:08,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:08,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:20:08,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:08,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:20:08,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:20:08,735 INFO L87 Difference]: Start difference. First operand 348 states and 448 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:09,011 INFO L93 Difference]: Finished difference Result 791 states and 1037 transitions. [2022-11-21 16:20:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:20:09,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-11-21 16:20:09,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:09,016 INFO L225 Difference]: With dead ends: 791 [2022-11-21 16:20:09,016 INFO L226 Difference]: Without dead ends: 450 [2022-11-21 16:20:09,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:20:09,019 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 176 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:09,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 359 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:20:09,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-21 16:20:09,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 353. [2022-11-21 16:20:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 285 states have (on average 1.249122807017544) internal successors, (356), 306 states have internal predecessors, (356), 37 states have call successors, (37), 26 states have call predecessors, (37), 30 states have return successors, (57), 35 states have call predecessors, (57), 37 states have call successors, (57) [2022-11-21 16:20:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2022-11-21 16:20:09,070 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 46 [2022-11-21 16:20:09,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:09,071 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2022-11-21 16:20:09,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:09,071 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2022-11-21 16:20:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 16:20:09,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:09,073 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 16:20:09,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:20:09,073 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:09,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:09,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1025339665, now seen corresponding path program 1 times [2022-11-21 16:20:09,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:09,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620427401] [2022-11-21 16:20:09,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:09,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:20:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 16:20:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:20:09,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:09,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620427401] [2022-11-21 16:20:09,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620427401] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:20:09,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696668894] [2022-11-21 16:20:09,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:09,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:20:09,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:20:09,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:20:09,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:20:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:09,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-21 16:20:09,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:20:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:09,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:20:09,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696668894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:09,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:20:09,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-21 16:20:09,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135021709] [2022-11-21 16:20:09,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:09,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:20:09,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:09,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:20:09,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:20:09,755 INFO L87 Difference]: Start difference. First operand 353 states and 450 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:09,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:09,938 INFO L93 Difference]: Finished difference Result 1076 states and 1397 transitions. [2022-11-21 16:20:09,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:20:09,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-21 16:20:09,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:09,943 INFO L225 Difference]: With dead ends: 1076 [2022-11-21 16:20:09,943 INFO L226 Difference]: Without dead ends: 730 [2022-11-21 16:20:09,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:20:09,946 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 108 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:09,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 499 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:20:09,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-11-21 16:20:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 700. [2022-11-21 16:20:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 563 states have (on average 1.2255772646536411) internal successors, (690), 598 states have internal predecessors, (690), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2022-11-21 16:20:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 890 transitions. [2022-11-21 16:20:10,062 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 890 transitions. Word has length 51 [2022-11-21 16:20:10,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:10,063 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 890 transitions. [2022-11-21 16:20:10,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 890 transitions. [2022-11-21 16:20:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 16:20:10,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:10,065 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:10,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:20:10,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:20:10,276 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:10,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash 468700430, now seen corresponding path program 1 times [2022-11-21 16:20:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:10,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663145496] [2022-11-21 16:20:10,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:10,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:20:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:20:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:20:10,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:10,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663145496] [2022-11-21 16:20:10,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663145496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:10,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:10,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:20:10,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316277077] [2022-11-21 16:20:10,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:10,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:20:10,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:10,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:20:10,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:20:10,397 INFO L87 Difference]: Start difference. First operand 700 states and 890 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:10,769 INFO L93 Difference]: Finished difference Result 1298 states and 1659 transitions. [2022-11-21 16:20:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:20:10,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-21 16:20:10,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:10,773 INFO L225 Difference]: With dead ends: 1298 [2022-11-21 16:20:10,773 INFO L226 Difference]: Without dead ends: 259 [2022-11-21 16:20:10,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:20:10,778 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 154 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:10,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 475 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:20:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-11-21 16:20:10,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 247. [2022-11-21 16:20:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 197 states have (on average 1.1878172588832487) internal successors, (234), 208 states have internal predecessors, (234), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2022-11-21 16:20:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 291 transitions. [2022-11-21 16:20:10,809 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 291 transitions. Word has length 52 [2022-11-21 16:20:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:10,809 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 291 transitions. [2022-11-21 16:20:10,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:20:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 291 transitions. [2022-11-21 16:20:10,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 16:20:10,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:10,811 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 16:20:10,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:20:10,812 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:10,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:10,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1675825877, now seen corresponding path program 1 times [2022-11-21 16:20:10,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:10,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472614615] [2022-11-21 16:20:10,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:10,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:10,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:20:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:11,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:20:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:20:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:20:11,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:11,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472614615] [2022-11-21 16:20:11,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472614615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:11,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:11,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 16:20:11,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33538660] [2022-11-21 16:20:11,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:11,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:20:11,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:11,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:20:11,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:20:11,047 INFO L87 Difference]: Start difference. First operand 247 states and 291 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:20:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:11,484 INFO L93 Difference]: Finished difference Result 483 states and 574 transitions. [2022-11-21 16:20:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 16:20:11,485 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-11-21 16:20:11,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:11,486 INFO L225 Difference]: With dead ends: 483 [2022-11-21 16:20:11,486 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:20:11,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2022-11-21 16:20:11,488 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 151 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:11,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 280 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:20:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:20:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:20:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:20:11,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:20:11,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2022-11-21 16:20:11,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:11,491 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:20:11,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:20:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:20:11,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:20:11,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:20:11,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:20:11,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:20:17,846 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2022-11-21 16:20:17,846 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2022-11-21 16:20:17,846 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 435 446) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= |old(~methaneLevelCritical~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) .cse0) (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0))) [2022-11-21 16:20:17,846 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 435 446) no Hoare annotation was computed. [2022-11-21 16:20:17,847 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 435 446) no Hoare annotation was computed. [2022-11-21 16:20:17,847 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 447 455) the Hoare annotation is: true [2022-11-21 16:20:17,847 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 447 455) no Hoare annotation was computed. [2022-11-21 16:20:17,847 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 447 455) no Hoare annotation was computed. [2022-11-21 16:20:17,847 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2022-11-21 16:20:17,848 INFO L895 garLoopResultBuilder]: At program point L415-2(lines 411 422) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-11-21 16:20:17,848 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (= |old(~pumpRunning~0)| 0) .cse0))) [2022-11-21 16:20:17,848 INFO L895 garLoopResultBuilder]: At program point L395(lines 380 398) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-11-21 16:20:17,849 INFO L895 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_processEnvironment_~tmp~2#1| 1) (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-11-21 16:20:17,849 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2022-11-21 16:20:17,849 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2022-11-21 16:20:17,849 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2022-11-21 16:20:17,849 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2022-11-21 16:20:17,850 INFO L895 garLoopResultBuilder]: At program point L928-1(lines 913 945) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not .cse2)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (not .cse3)) (.cse8 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (not .cse5)) (.cse9 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse10 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1) .cse2 .cse3) (let ((.cse7 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0)))) (or .cse4 (and .cse5 .cse0 .cse6 .cse7 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (and .cse8 .cse5 .cse9 .cse10 .cse11 .cse6 .cse7 .cse12) (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse11 .cse6 .cse15 .cse12) .cse3 (and .cse13 .cse0 .cse14 .cse6 .cse15 .cse1))) (or .cse13 .cse2 .cse3) (let ((.cse16 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse17 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 (and .cse5 .cse0 .cse6 .cse1) (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse14 .cse16 .cse6 .cse17 .cse15 .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse3 (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse16 .cse11 .cse6 .cse17 .cse15 .cse12)))))) [2022-11-21 16:20:17,850 INFO L895 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-11-21 16:20:17,850 INFO L895 garLoopResultBuilder]: At program point L284-1(lines 265 289) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2022-11-21 16:20:17,851 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-11-21 16:20:17,851 INFO L895 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2022-11-21 16:20:17,854 INFO L899 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed. [2022-11-21 16:20:17,854 INFO L895 garLoopResultBuilder]: At program point L508(lines 503 510) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= |old(~pumpRunning~0)| 0) .cse0) (or (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2022-11-21 16:20:17,854 INFO L899 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2022-11-21 16:20:17,855 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2022-11-21 16:20:17,855 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2022-11-21 16:20:17,855 INFO L895 garLoopResultBuilder]: At program point L306-2(lines 299 315) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse8 (not .cse0)) (.cse3 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse12 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse1 (not .cse14)) (.cse4 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse3 .cse4 .cse12 .cse5 .cse6 .cse7 .cse13))) (or (= |old(~pumpRunning~0)| 0) .cse0) (or (and .cse14 .cse2 .cse5) (and .cse2 .cse3 .cse5 .cse7 .cse8) (not (<= 1 ~methaneLevelCritical~0)) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse5 .cse7 .cse13) (and .cse9 .cse14 .cse10 .cse11 .cse12 .cse5 .cse13) .cse0)))) [2022-11-21 16:20:17,855 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2022-11-21 16:20:17,856 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2022-11-21 16:20:17,856 INFO L895 garLoopResultBuilder]: At program point L331(lines 324 334) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse4 (not .cse10)) (.cse5 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse7 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse0 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse10)) (or (and .cse1 .cse2 .cse3 .cse4) (not (<= 1 ~methaneLevelCritical~0)) (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) .cse10) (or (= |old(~pumpRunning~0)| 0) .cse10)))) [2022-11-21 16:20:17,856 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2022-11-21 16:20:17,856 INFO L895 garLoopResultBuilder]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0))) (let ((.cse8 (= |old(~pumpRunning~0)| 0)) (.cse10 (not .cse18)) (.cse6 (<= ~waterLevel~0 1)) (.cse13 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse21 (not .cse2))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and .cse10 .cse6 .cse13 .cse15 .cse16 .cse7 .cse21)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not .cse8)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse11 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse17 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse3 .cse0 .cse4 .cse5 .cse2) (or (and .cse6 .cse7) .cse3 .cse8 .cse2) (or .cse0 .cse4 .cse5 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) .cse2) (or .cse10 .cse8 .cse2) (let ((.cse19 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse20 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse18 .cse6 .cse15 .cse7) .cse0 (and .cse6 .cse13 .cse19 .cse15 .cse20 .cse16 .cse7 .cse21) (not (<= ~methaneLevelCritical~0 0)) .cse1 .cse2 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse20 .cse16 .cse17))))))) [2022-11-21 16:20:17,857 INFO L899 garLoopResultBuilder]: For program point L389-2(lines 389 393) no Hoare annotation was computed. [2022-11-21 16:20:17,857 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2022-11-21 16:20:17,857 INFO L895 garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (let ((.cse15 (= |old(~pumpRunning~0)| 0))) (let ((.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (not .cse15)) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (= 0 ~systemActive~0)) (.cse2 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (= |timeShift_isPumpRunning_#res#1| 0))) (.cse5 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse7 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse10 .cse11) .cse12) (or .cse13 .cse14 .cse12) (or .cse13 .cse15 .cse12) (or (and .cse3 .cse4) .cse15 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse12) (or .cse0 .cse14 .cse12 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11))))) [2022-11-21 16:20:17,857 INFO L895 garLoopResultBuilder]: At program point L497(lines 488 501) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse0 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1))) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-11-21 16:20:17,858 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not .cse0) (and .cse1 .cse2) (not (<= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse3 (and (not .cse1) .cse2)))) [2022-11-21 16:20:17,858 INFO L899 garLoopResultBuilder]: For program point L237-1(lines 236 255) no Hoare annotation was computed. [2022-11-21 16:20:17,858 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2022-11-21 16:20:17,858 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2022-11-21 16:20:17,859 INFO L895 garLoopResultBuilder]: At program point L295(lines 290 297) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~waterLevel~0 1)) (.cse11 (not .cse9)) (.cse0 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse3 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse4 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse5 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse8 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse1 .cse10 .cse4 .cse6 .cse7 .cse11)) (let ((.cse12 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse9 (and .cse1 .cse10 .cse4 .cse12 .cse6 .cse13 .cse7 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse12 .cse5 .cse6 .cse13 .cse7 .cse8))) (or (= |old(~pumpRunning~0)| 0) .cse9)))) [2022-11-21 16:20:17,859 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-21 16:20:17,859 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-21 16:20:17,859 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-21 16:20:17,859 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-21 16:20:17,859 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-21 16:20:17,860 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-21 16:20:17,860 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-21 16:20:17,860 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-21 16:20:17,860 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-21 16:20:17,860 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-21 16:20:17,860 INFO L895 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2022-11-21 16:20:17,861 INFO L895 garLoopResultBuilder]: At program point L527(lines 523 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:20:17,861 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:20:17,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:20:17,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:20:17,861 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2022-11-21 16:20:17,861 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2022-11-21 16:20:17,862 INFO L895 garLoopResultBuilder]: At program point L404(lines 399 406) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-21 16:20:17,862 INFO L895 garLoopResultBuilder]: At program point L210(lines 165 212) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-21 16:20:17,862 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-21 16:20:17,862 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-21 16:20:17,863 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-21 16:20:17,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:20:17,863 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-21 16:20:17,863 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-21 16:20:17,863 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-21 16:20:17,863 INFO L895 garLoopResultBuilder]: At program point L203-2(lines 195 208) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-21 16:20:17,864 INFO L899 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2022-11-21 16:20:17,864 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed. [2022-11-21 16:20:17,864 INFO L895 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:20:17,864 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-21 16:20:17,864 INFO L902 garLoopResultBuilder]: At program point L216(lines 155 220) the Hoare annotation is: true [2022-11-21 16:20:17,865 INFO L895 garLoopResultBuilder]: At program point L534(lines 530 536) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:20:17,865 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:20:17,865 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2022-11-21 16:20:17,865 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2022-11-21 16:20:17,865 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2022-11-21 16:20:17,865 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 423 434) no Hoare annotation was computed. [2022-11-21 16:20:17,866 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2022-11-21 16:20:17,866 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 423 434) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-11-21 16:20:17,869 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:17,872 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:20:17,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:20:17 BoogieIcfgContainer [2022-11-21 16:20:17,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:20:17,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:20:17,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:20:17,905 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:20:17,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:05" (3/4) ... [2022-11-21 16:20:17,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:20:17,915 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-21 16:20:17,915 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-21 16:20:17,915 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-21 16:20:17,915 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-21 16:20:17,915 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-21 16:20:17,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-21 16:20:17,929 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-21 16:20:17,932 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 16:20:17,932 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:20:17,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:20:17,933 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:20:17,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:20:17,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:20:17,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-21 16:20:17,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2022-11-21 16:20:17,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2022-11-21 16:20:17,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-21 16:20:17,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || (waterLevel <= 1 && !(0 == systemActive))) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2022-11-21 16:20:17,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-21 16:20:17,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2022-11-21 16:20:17,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-21 16:20:17,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2022-11-21 16:20:17,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-21 16:20:17,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-21 16:20:17,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) [2022-11-21 16:20:17,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) [2022-11-21 16:20:18,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:20:18,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:20:18,017 INFO L158 Benchmark]: Toolchain (without parser) took 13569.17ms. Allocated memory was 165.7MB in the beginning and 243.3MB in the end (delta: 77.6MB). Free memory was 130.1MB in the beginning and 101.0MB in the end (delta: 29.2MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2022-11-21 16:20:18,017 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:18,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.33ms. Allocated memory is still 165.7MB. Free memory was 130.1MB in the beginning and 111.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:20:18,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.95ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 109.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:20:18,018 INFO L158 Benchmark]: Boogie Preprocessor took 54.75ms. Allocated memory is still 165.7MB. Free memory was 109.5MB in the beginning and 107.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:18,019 INFO L158 Benchmark]: RCFGBuilder took 681.85ms. Allocated memory is still 165.7MB. Free memory was 107.9MB in the beginning and 91.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:20:18,019 INFO L158 Benchmark]: TraceAbstraction took 12148.78ms. Allocated memory was 165.7MB in the beginning and 243.3MB in the end (delta: 77.6MB). Free memory was 91.2MB in the beginning and 106.2MB in the end (delta: -15.1MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2022-11-21 16:20:18,019 INFO L158 Benchmark]: Witness Printer took 111.81ms. Allocated memory is still 243.3MB. Free memory was 106.2MB in the beginning and 101.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:20:18,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.33ms. Allocated memory is still 165.7MB. Free memory was 130.1MB in the beginning and 111.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.95ms. Allocated memory is still 165.7MB. Free memory was 111.5MB in the beginning and 109.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.75ms. Allocated memory is still 165.7MB. Free memory was 109.5MB in the beginning and 107.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 681.85ms. Allocated memory is still 165.7MB. Free memory was 107.9MB in the beginning and 91.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12148.78ms. Allocated memory was 165.7MB in the beginning and 243.3MB in the end (delta: 77.6MB). Free memory was 91.2MB in the beginning and 106.2MB in the end (delta: -15.1MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. * Witness Printer took 111.81ms. Allocated memory is still 243.3MB. Free memory was 106.2MB in the beginning and 101.0MB 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: 507]: 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 7 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1148 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1120 mSDsluCounter, 3186 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2244 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1185 IncrementalHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 942 mSDtfsCounter, 1185 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=9, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 1170 PreInvPairs, 1452 NumberOfFragments, 2101 HoareAnnotationTreeSize, 1170 FomulaSimplifications, 1602 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 38 FomulaSimplificationsInter, 17067 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 1202 SizeOfPredicates, 5 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 503]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (waterLevel <= 1 && !(0 == systemActive))) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-21 16:20:18,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5613c769-299c-44a4-9932-a2e7418ce848/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