./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R --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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- 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-38b53e6 [2022-11-25 18:08:10,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:08:10,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:08:10,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:08:10,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:08:10,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:08:10,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:08:10,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:08:10,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:08:10,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:08:10,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:08:10,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:08:10,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:08:10,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:08:10,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:08:10,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:08:10,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:08:10,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:08:10,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:08:10,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:08:10,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:08:10,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:08:10,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:08:10,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:08:10,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:08:10,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:08:10,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:08:10,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:08:10,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:08:10,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:08:10,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:08:10,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:08:10,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:08:10,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:08:10,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:08:10,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:08:10,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:08:10,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:08:10,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:08:10,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:08:10,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:08:10,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 18:08:10,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:08:10,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:08:10,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:08:10,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:08:10,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:08:10,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:08:10,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:08:10,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:08:10,944 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:08:10,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:08:10,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:08:10,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:08:10,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:08:10,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:08:10,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:08:10,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:08:10,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:08:10,948 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:08:10,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:08:10,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:08:10,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:08:10,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:08:10,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:08:10,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:08:10,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:08:10,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:08:10,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:08:10,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:08:10,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:08:10,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:08:10,952 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:08:10,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:08:10,953 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:08:10,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:08:10,953 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2022-11-25 18:08:11,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:08:11,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:08:11,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:08:11,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:08:11,273 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:08:11,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2022-11-25 18:08:14,373 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:08:14,678 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:08:14,679 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2022-11-25 18:08:14,708 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/data/d44a93880/ef6bb93d5c5a4f4cb75841c5e3243928/FLAGa004abad2 [2022-11-25 18:08:15,004 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/data/d44a93880/ef6bb93d5c5a4f4cb75841c5e3243928 [2022-11-25 18:08:15,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:08:15,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:08:15,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:08:15,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:08:15,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:08:15,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358d6d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15, skipping insertion in model container [2022-11-25 18:08:15,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:08:15,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:08:15,353 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_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2022-11-25 18:08:15,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:08:15,385 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:08:15,497 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_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2022-11-25 18:08:15,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:08:15,539 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:08:15,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15 WrapperNode [2022-11-25 18:08:15,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:08:15,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:08:15,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:08:15,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:08:15,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,599 INFO L138 Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 209 [2022-11-25 18:08:15,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:08:15,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:08:15,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:08:15,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:08:15,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:08:15,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:08:15,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:08:15,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:08:15,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (1/1) ... [2022-11-25 18:08:15,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:08:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:08:15,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:08:15,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:08:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-25 18:08:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-25 18:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-25 18:08:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-25 18:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-25 18:08:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-25 18:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-25 18:08:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-25 18:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-25 18:08:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-25 18:08:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-25 18:08:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-25 18:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-25 18:08:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-25 18:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-25 18:08:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-25 18:08:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:08:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:08:15,847 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:08:15,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:08:16,159 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:08:16,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:08:16,182 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:08:16,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:16 BoogieIcfgContainer [2022-11-25 18:08:16,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:08:16,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:08:16,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:08:16,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:08:16,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:08:15" (1/3) ... [2022-11-25 18:08:16,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79642a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:16, skipping insertion in model container [2022-11-25 18:08:16,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:15" (2/3) ... [2022-11-25 18:08:16,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79642a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:08:16, skipping insertion in model container [2022-11-25 18:08:16,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:16" (3/3) ... [2022-11-25 18:08:16,194 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2022-11-25 18:08:16,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:08:16,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:08:16,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:08:16,282 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;@8d3a1c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:08:16,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:08:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 18:08:16,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 18:08:16,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:16,297 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:08:16,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:16,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:16,302 INFO L85 PathProgramCache]: Analyzing trace with hash 764297473, now seen corresponding path program 1 times [2022-11-25 18:08:16,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:16,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993629242] [2022-11-25 18:08:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:16,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:08:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 18:08:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:08:16,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:16,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993629242] [2022-11-25 18:08:16,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993629242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:16,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:16,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:08:16,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388152106] [2022-11-25 18:08:16,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:16,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:08:16,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:08:16,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:08:16,627 INFO L87 Difference]: Start difference. First operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:08:16,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:16,675 INFO L93 Difference]: Finished difference Result 189 states and 256 transitions. [2022-11-25 18:08:16,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:08:16,677 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-25 18:08:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:16,717 INFO L225 Difference]: With dead ends: 189 [2022-11-25 18:08:16,718 INFO L226 Difference]: Without dead ends: 90 [2022-11-25 18:08:16,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:08:16,725 INFO L413 NwaCegarLoop]: 125 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, 125 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 [2022-11-25 18:08:16,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:08:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-25 18:08:16,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-25 18:08:16,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 18:08:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2022-11-25 18:08:16,794 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 32 [2022-11-25 18:08:16,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:16,800 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2022-11-25 18:08:16,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:08:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-11-25 18:08:16,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 18:08:16,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:16,803 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] [2022-11-25 18:08:16,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:08:16,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:16,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:16,805 INFO L85 PathProgramCache]: Analyzing trace with hash -297054839, now seen corresponding path program 1 times [2022-11-25 18:08:16,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:16,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601230772] [2022-11-25 18:08:16,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:08:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 18:08:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:08:17,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:17,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601230772] [2022-11-25 18:08:17,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601230772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:17,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:17,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:08:17,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980966857] [2022-11-25 18:08:17,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:17,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:08:17,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:17,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:08:17,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:08:17,130 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:08:17,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:17,457 INFO L93 Difference]: Finished difference Result 309 states and 412 transitions. [2022-11-25 18:08:17,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:08:17,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-25 18:08:17,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:17,461 INFO L225 Difference]: With dead ends: 309 [2022-11-25 18:08:17,461 INFO L226 Difference]: Without dead ends: 227 [2022-11-25 18:08:17,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:08:17,472 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 237 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:17,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 589 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:08:17,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-11-25 18:08:17,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2022-11-25 18:08:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.329268292682927) internal successors, (218), 182 states have internal predecessors, (218), 37 states have call successors, (37), 22 states have call predecessors, (37), 19 states have return successors, (37), 26 states have call predecessors, (37), 34 states have call successors, (37) [2022-11-25 18:08:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2022-11-25 18:08:17,557 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 37 [2022-11-25 18:08:17,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:17,557 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2022-11-25 18:08:17,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:08:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2022-11-25 18:08:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 18:08:17,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:17,560 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] [2022-11-25 18:08:17,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:08:17,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:17,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:17,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1133604870, now seen corresponding path program 1 times [2022-11-25 18:08:17,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:17,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547547587] [2022-11-25 18:08:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:17,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:08:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 18:08:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:08:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-25 18:08:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:08:17,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:17,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547547587] [2022-11-25 18:08:17,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547547587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:17,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:17,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:08:17,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179689374] [2022-11-25 18:08:17,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:17,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:08:17,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:17,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:08:17,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:08:17,682 INFO L87 Difference]: Start difference. First operand 221 states and 292 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 18:08:17,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:17,850 INFO L93 Difference]: Finished difference Result 370 states and 484 transitions. [2022-11-25 18:08:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:08:17,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2022-11-25 18:08:17,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:17,853 INFO L225 Difference]: With dead ends: 370 [2022-11-25 18:08:17,853 INFO L226 Difference]: Without dead ends: 222 [2022-11-25 18:08:17,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:08:17,856 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 69 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:17,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 182 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:08:17,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-11-25 18:08:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 194. [2022-11-25 18:08:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 164 states have internal predecessors, (197), 28 states have call successors, (28), 19 states have call predecessors, (28), 19 states have return successors, (29), 20 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-25 18:08:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-11-25 18:08:17,894 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 43 [2022-11-25 18:08:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:17,894 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-11-25 18:08:17,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 18:08:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-11-25 18:08:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 18:08:17,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:17,897 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:08:17,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:08:17,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:17,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:17,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1125311, now seen corresponding path program 1 times [2022-11-25 18:08:17,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:17,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839779655] [2022-11-25 18:08:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:17,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-25 18:08:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-25 18:08:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:08:18,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:18,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839779655] [2022-11-25 18:08:18,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839779655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:18,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:18,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:08:18,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274536108] [2022-11-25 18:08:18,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:18,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:08:18,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:18,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:08:18,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:08:18,065 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:08:18,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:18,295 INFO L93 Difference]: Finished difference Result 478 states and 641 transitions. [2022-11-25 18:08:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:08:18,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-25 18:08:18,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:18,307 INFO L225 Difference]: With dead ends: 478 [2022-11-25 18:08:18,308 INFO L226 Difference]: Without dead ends: 292 [2022-11-25 18:08:18,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:08:18,314 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 73 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:18,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 489 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:08:18,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-11-25 18:08:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 275. [2022-11-25 18:08:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 207 states have (on average 1.289855072463768) internal successors, (267), 224 states have internal predecessors, (267), 37 states have call successors, (37), 30 states have call predecessors, (37), 30 states have return successors, (47), 34 states have call predecessors, (47), 37 states have call successors, (47) [2022-11-25 18:08:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2022-11-25 18:08:18,392 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 41 [2022-11-25 18:08:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:18,393 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2022-11-25 18:08:18,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:08:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2022-11-25 18:08:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 18:08:18,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:18,409 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] [2022-11-25 18:08:18,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:08:18,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:18,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:18,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1784621037, now seen corresponding path program 1 times [2022-11-25 18:08:18,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:18,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196178578] [2022-11-25 18:08:18,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:18,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:08:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:08:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:18,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 18:08:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:08:18,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:18,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196178578] [2022-11-25 18:08:18,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196178578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:18,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:18,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:08:18,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984095656] [2022-11-25 18:08:18,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:18,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:08:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:18,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:08:18,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:08:18,611 INFO L87 Difference]: Start difference. First operand 275 states and 351 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:08:18,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:18,810 INFO L93 Difference]: Finished difference Result 602 states and 780 transitions. [2022-11-25 18:08:18,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:08:18,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-25 18:08:18,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:18,816 INFO L225 Difference]: With dead ends: 602 [2022-11-25 18:08:18,816 INFO L226 Difference]: Without dead ends: 335 [2022-11-25 18:08:18,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:08:18,829 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 68 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:18,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 389 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:08:18,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-11-25 18:08:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 327. [2022-11-25 18:08:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 249 states have (on average 1.2730923694779117) internal successors, (317), 266 states have internal predecessors, (317), 41 states have call successors, (41), 30 states have call predecessors, (41), 36 states have return successors, (57), 42 states have call predecessors, (57), 41 states have call successors, (57) [2022-11-25 18:08:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 415 transitions. [2022-11-25 18:08:18,881 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 415 transitions. Word has length 51 [2022-11-25 18:08:18,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:18,881 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 415 transitions. [2022-11-25 18:08:18,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:08:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 415 transitions. [2022-11-25 18:08:18,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 18:08:18,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:18,883 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] [2022-11-25 18:08:18,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:08:18,883 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:18,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:18,884 INFO L85 PathProgramCache]: Analyzing trace with hash 95677295, now seen corresponding path program 1 times [2022-11-25 18:08:18,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:18,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461869342] [2022-11-25 18:08:18,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:18,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:08:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:08:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 18:08:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:08:19,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:19,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461869342] [2022-11-25 18:08:19,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461869342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:19,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:19,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:08:19,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959566163] [2022-11-25 18:08:19,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:19,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:08:19,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:19,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:08:19,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:08:19,058 INFO L87 Difference]: Start difference. First operand 327 states and 415 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:08:19,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:19,203 INFO L93 Difference]: Finished difference Result 664 states and 863 transitions. [2022-11-25 18:08:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:08:19,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-25 18:08:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:19,206 INFO L225 Difference]: With dead ends: 664 [2022-11-25 18:08:19,206 INFO L226 Difference]: Without dead ends: 345 [2022-11-25 18:08:19,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:08:19,208 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 70 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:19,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 304 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:08:19,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-11-25 18:08:19,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 331. [2022-11-25 18:08:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 253 states have (on average 1.2687747035573123) internal successors, (321), 270 states have internal predecessors, (321), 41 states have call successors, (41), 30 states have call predecessors, (41), 36 states have return successors, (57), 42 states have call predecessors, (57), 41 states have call successors, (57) [2022-11-25 18:08:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 419 transitions. [2022-11-25 18:08:19,250 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 419 transitions. Word has length 51 [2022-11-25 18:08:19,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:19,250 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 419 transitions. [2022-11-25 18:08:19,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:08:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 419 transitions. [2022-11-25 18:08:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 18:08:19,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:19,255 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] [2022-11-25 18:08:19,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:08:19,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:19,256 INFO L85 PathProgramCache]: Analyzing trace with hash 518379121, now seen corresponding path program 1 times [2022-11-25 18:08:19,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:19,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881433765] [2022-11-25 18:08:19,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:19,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:08:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:08:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 18:08:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:08:19,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:19,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881433765] [2022-11-25 18:08:19,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881433765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:19,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:19,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:08:19,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662534869] [2022-11-25 18:08:19,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:19,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:08:19,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:19,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:08:19,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:08:19,436 INFO L87 Difference]: Start difference. First operand 331 states and 419 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:08:19,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:19,722 INFO L93 Difference]: Finished difference Result 996 states and 1308 transitions. [2022-11-25 18:08:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:08:19,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-25 18:08:19,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:19,732 INFO L225 Difference]: With dead ends: 996 [2022-11-25 18:08:19,732 INFO L226 Difference]: Without dead ends: 673 [2022-11-25 18:08:19,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:08:19,738 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 224 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:19,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 330 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:08:19,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-11-25 18:08:19,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 666. [2022-11-25 18:08:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 505 states have (on average 1.2356435643564356) internal successors, (624), 534 states have internal predecessors, (624), 88 states have call successors, (88), 71 states have call predecessors, (88), 72 states have return successors, (133), 86 states have call predecessors, (133), 88 states have call successors, (133) [2022-11-25 18:08:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 845 transitions. [2022-11-25 18:08:19,824 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 845 transitions. Word has length 51 [2022-11-25 18:08:19,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:19,825 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 845 transitions. [2022-11-25 18:08:19,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:08:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 845 transitions. [2022-11-25 18:08:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-25 18:08:19,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:19,827 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] [2022-11-25 18:08:19,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:08:19,828 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:19,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1241994025, now seen corresponding path program 1 times [2022-11-25 18:08:19,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:19,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014426870] [2022-11-25 18:08:19,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:19,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:08:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-25 18:08:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-25 18:08:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:08:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:08:20,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:20,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014426870] [2022-11-25 18:08:20,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014426870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:20,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:20,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 18:08:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651830212] [2022-11-25 18:08:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:20,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 18:08:20,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:20,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 18:08:20,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:08:20,126 INFO L87 Difference]: Start difference. First operand 666 states and 845 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-25 18:08:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:21,278 INFO L93 Difference]: Finished difference Result 2083 states and 2763 transitions. [2022-11-25 18:08:21,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-25 18:08:21,279 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2022-11-25 18:08:21,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:21,289 INFO L225 Difference]: With dead ends: 2083 [2022-11-25 18:08:21,289 INFO L226 Difference]: Without dead ends: 1562 [2022-11-25 18:08:21,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 18:08:21,296 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 572 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:21,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 879 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:08:21,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2022-11-25 18:08:21,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1268. [2022-11-25 18:08:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 963 states have (on average 1.2315680166147456) internal successors, (1186), 1025 states have internal predecessors, (1186), 165 states have call successors, (165), 123 states have call predecessors, (165), 139 states have return successors, (253), 162 states have call predecessors, (253), 165 states have call successors, (253) [2022-11-25 18:08:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1604 transitions. [2022-11-25 18:08:21,491 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1604 transitions. Word has length 55 [2022-11-25 18:08:21,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:21,491 INFO L495 AbstractCegarLoop]: Abstraction has 1268 states and 1604 transitions. [2022-11-25 18:08:21,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-25 18:08:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1604 transitions. [2022-11-25 18:08:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 18:08:21,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:21,496 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:08:21,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:08:21,497 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:21,497 INFO L85 PathProgramCache]: Analyzing trace with hash 311034572, now seen corresponding path program 1 times [2022-11-25 18:08:21,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:21,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166554586] [2022-11-25 18:08:21,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:21,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:08:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:08:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:08:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:08:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:08:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:08:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 18:08:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:08:21,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:21,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166554586] [2022-11-25 18:08:21,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166554586] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:08:21,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526715567] [2022-11-25 18:08:21,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:21,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:08:21,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:08:21,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:08:21,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:08:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:08:21,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:08:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:08:22,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:08:22,416 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:08:22,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526715567] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:08:22,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:08:22,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-11-25 18:08:22,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262204748] [2022-11-25 18:08:22,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:08:22,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 18:08:22,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:22,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 18:08:22,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:08:22,421 INFO L87 Difference]: Start difference. First operand 1268 states and 1604 transitions. Second operand has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-25 18:08:23,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:23,969 INFO L93 Difference]: Finished difference Result 2866 states and 3791 transitions. [2022-11-25 18:08:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-25 18:08:23,970 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2022-11-25 18:08:23,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:23,983 INFO L225 Difference]: With dead ends: 2866 [2022-11-25 18:08:23,984 INFO L226 Difference]: Without dead ends: 1737 [2022-11-25 18:08:24,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 215 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=429, Invalid=2121, Unknown=0, NotChecked=0, Total=2550 [2022-11-25 18:08:24,011 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 425 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:24,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1532 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:08:24,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2022-11-25 18:08:24,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1422. [2022-11-25 18:08:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1064 states have (on average 1.211466165413534) internal successors, (1289), 1146 states have internal predecessors, (1289), 192 states have call successors, (192), 158 states have call predecessors, (192), 165 states have return successors, (262), 173 states have call predecessors, (262), 192 states have call successors, (262) [2022-11-25 18:08:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1743 transitions. [2022-11-25 18:08:24,206 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1743 transitions. Word has length 96 [2022-11-25 18:08:24,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:24,207 INFO L495 AbstractCegarLoop]: Abstraction has 1422 states and 1743 transitions. [2022-11-25 18:08:24,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-25 18:08:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1743 transitions. [2022-11-25 18:08:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 18:08:24,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:24,215 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:08:24,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 18:08:24,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 18:08:24,420 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:24,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:24,421 INFO L85 PathProgramCache]: Analyzing trace with hash -562445059, now seen corresponding path program 1 times [2022-11-25 18:08:24,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:24,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995840801] [2022-11-25 18:08:24,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:24,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:08:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:08:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:08:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:08:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:08:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:08:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:08:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 18:08:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-25 18:08:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 18:08:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-25 18:08:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-25 18:08:24,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:24,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995840801] [2022-11-25 18:08:24,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995840801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:24,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:24,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:08:24,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113119048] [2022-11-25 18:08:24,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:24,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:08:24,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:24,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:08:24,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:08:24,647 INFO L87 Difference]: Start difference. First operand 1422 states and 1743 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 18:08:25,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:25,205 INFO L93 Difference]: Finished difference Result 2795 states and 3462 transitions. [2022-11-25 18:08:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 18:08:25,206 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 175 [2022-11-25 18:08:25,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:25,215 INFO L225 Difference]: With dead ends: 2795 [2022-11-25 18:08:25,215 INFO L226 Difference]: Without dead ends: 1512 [2022-11-25 18:08:25,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:08:25,221 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 192 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:25,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 488 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:08:25,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-11-25 18:08:25,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1440. [2022-11-25 18:08:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1082 states have (on average 1.2079482439926064) internal successors, (1307), 1164 states have internal predecessors, (1307), 192 states have call successors, (192), 158 states have call predecessors, (192), 165 states have return successors, (262), 173 states have call predecessors, (262), 192 states have call successors, (262) [2022-11-25 18:08:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1761 transitions. [2022-11-25 18:08:25,389 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1761 transitions. Word has length 175 [2022-11-25 18:08:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:25,390 INFO L495 AbstractCegarLoop]: Abstraction has 1440 states and 1761 transitions. [2022-11-25 18:08:25,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 18:08:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1761 transitions. [2022-11-25 18:08:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 18:08:25,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:25,398 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:08:25,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:08:25,399 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:08:25,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:25,400 INFO L85 PathProgramCache]: Analyzing trace with hash 116827195, now seen corresponding path program 1 times [2022-11-25 18:08:25,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:25,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370061071] [2022-11-25 18:08:25,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:25,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:08:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:08:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:08:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:08:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:08:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:08:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:08:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 18:08:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-25 18:08:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-25 18:08:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-25 18:08:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 30 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-25 18:08:25,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:25,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370061071] [2022-11-25 18:08:25,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370061071] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:08:25,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529584523] [2022-11-25 18:08:25,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:25,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:08:25,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:08:25,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:08:25,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:08:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:25,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 18:08:25,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:08:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-25 18:08:26,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:08:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 78 proven. 44 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-25 18:08:26,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529584523] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:08:26,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:08:26,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2022-11-25 18:08:26,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43450294] [2022-11-25 18:08:26,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:08:26,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 18:08:26,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:26,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 18:08:26,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2022-11-25 18:08:26,796 INFO L87 Difference]: Start difference. First operand 1440 states and 1761 transitions. Second operand has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2022-11-25 18:08:28,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:28,348 INFO L93 Difference]: Finished difference Result 3072 states and 3890 transitions. [2022-11-25 18:08:28,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-25 18:08:28,349 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) Word has length 175 [2022-11-25 18:08:28,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:28,351 INFO L225 Difference]: With dead ends: 3072 [2022-11-25 18:08:28,351 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:08:28,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 371 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=542, Invalid=2008, Unknown=0, NotChecked=0, Total=2550 [2022-11-25 18:08:28,361 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 645 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1053 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:08:28,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:08:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:08:28,362 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) [2022-11-25 18:08:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:08:28,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2022-11-25 18:08:28,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:28,363 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:08:28,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2022-11-25 18:08:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:08:28,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:08:28,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:08:28,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:08:28,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:08:28,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:08:42,984 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 160 167) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-25 18:08:42,984 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2022-11-25 18:08:42,984 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 160 167) no Hoare annotation was computed. [2022-11-25 18:08:42,984 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-11-25 18:08:42,984 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-11-25 18:08:42,985 INFO L899 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2022-11-25 18:08:42,985 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: true [2022-11-25 18:08:42,985 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2022-11-25 18:08:42,985 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 279 308) no Hoare annotation was computed. [2022-11-25 18:08:42,985 INFO L902 garLoopResultBuilder]: At program point L289-2(lines 289 303) the Hoare annotation is: true [2022-11-25 18:08:42,985 INFO L902 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: true [2022-11-25 18:08:42,985 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 279 308) the Hoare annotation is: true [2022-11-25 18:08:42,986 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2022-11-25 18:08:42,986 INFO L902 garLoopResultBuilder]: At program point L304(lines 279 308) the Hoare annotation is: true [2022-11-25 18:08:42,986 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2022-11-25 18:08:42,986 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 297) no Hoare annotation was computed. [2022-11-25 18:08:42,986 INFO L902 garLoopResultBuilder]: At program point L293-1(lines 293 297) the Hoare annotation is: true [2022-11-25 18:08:42,986 INFO L899 garLoopResultBuilder]: For program point L290(line 290) no Hoare annotation was computed. [2022-11-25 18:08:42,987 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2022-11-25 18:08:42,987 INFO L895 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-25 18:08:42,987 INFO L895 garLoopResultBuilder]: At program point L977(line 977) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3 .cse4) (or (and (= ~pumpRunning~0 0) .cse2 .cse5) (not (= |old(~pumpRunning~0)| 0)) .cse4) (or .cse0 .cse3 .cse4 (and .cse1 .cse2 .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-25 18:08:42,988 INFO L899 garLoopResultBuilder]: For program point L977-1(line 977) no Hoare annotation was computed. [2022-11-25 18:08:42,988 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-11-25 18:08:42,988 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-11-25 18:08:42,988 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-11-25 18:08:42,988 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-11-25 18:08:42,988 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-11-25 18:08:42,989 INFO L899 garLoopResultBuilder]: For program point L994(lines 994 1004) no Hoare annotation was computed. [2022-11-25 18:08:42,989 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 1007) no Hoare annotation was computed. [2022-11-25 18:08:42,989 INFO L895 garLoopResultBuilder]: At program point L990-1(lines 982 1010) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse15 (<= 1 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse2 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse16 (<= ~waterLevel~0 1)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not .cse7))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (and .cse9 .cse2 .cse16 .cse17 .cse4 .cse6 .cse10)) (.cse13 (and .cse15 .cse1 .cse2 .cse16 .cse3 .cse17 .cse4 .cse6)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse5 (= ~waterLevel~0 1))) (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (and .cse9 .cse2 .cse4 .cse5 .cse6 .cse10))) (or (and .cse9 .cse2 .cse4 .cse11 .cse6 .cse10) .cse0 .cse12 .cse7 .cse8 (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse6) .cse13 .cse14) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse12 .cse7 .cse13 .cse14) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse9 .cse2 .cse4 .cse11) (and .cse15 .cse2 (= 2 ~waterLevel~0) .cse4 .cse11 .cse10) .cse8))))) [2022-11-25 18:08:42,990 INFO L895 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-25 18:08:42,990 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2022-11-25 18:08:42,990 INFO L899 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2022-11-25 18:08:42,990 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2022-11-25 18:08:42,990 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2022-11-25 18:08:42,991 INFO L895 garLoopResultBuilder]: At program point L979(lines 972 981) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse3) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2)))) [2022-11-25 18:08:42,991 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse5 (<= ~waterLevel~0 1) .cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7)) (.cse3 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3 .cse4) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3 (= ~waterLevel~0 1) .cse0) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2 .cse3)))) [2022-11-25 18:08:42,991 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-25 18:08:42,992 INFO L895 garLoopResultBuilder]: At program point L992(line 992) the Hoare annotation is: (let ((.cse16 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse17 (<= ~waterLevel~0 1)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (and .cse2 .cse3 .cse17 .cse18 .cse4 .cse6)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~systemActive~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (and .cse16 .cse7 .cse3 .cse17 .cse8 .cse18 .cse4 .cse6)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse5 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 .cse4 .cse5 .cse6) .cse9 .cse10)) (or (not (= |old(~waterLevel~0)| 1)) .cse11 .cse0 .cse9 .cse12 .cse13) (or .cse14 .cse1 .cse10) (or (not (<= |old(~waterLevel~0)| 1)) .cse14 (and .cse2 .cse3 .cse4 .cse15)) (or (and .cse2 .cse3 .cse4 .cse15 .cse6) .cse11 .cse0 .cse9 .cse10 .cse12 (and .cse16 .cse7 .cse3 .cse8 .cse4 .cse15 .cse6) .cse13)))) [2022-11-25 18:08:42,992 INFO L899 garLoopResultBuilder]: For program point L992-1(line 992) no Hoare annotation was computed. [2022-11-25 18:08:42,992 INFO L895 garLoopResultBuilder]: At program point L959(lines 954 961) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-25 18:08:42,993 INFO L895 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse13 (<= ~waterLevel~0 1)) (.cse11 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (and .cse8 .cse10 .cse6 .cse13 .cse11 .cse14 .cse12)) (.cse2 (and .cse5 .cse6 .cse13 .cse14 .cse12)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse9 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse5 .cse6 .cse7) (and .cse8 .cse6 (= 2 ~waterLevel~0) .cse7 (not .cse3)) .cse9) (or .cse0 (and .cse8 .cse10 .cse6 .cse11 .cse7 .cse12) .cse1 .cse2 (and .cse5 .cse6 .cse7 .cse12) .cse3 .cse9 .cse4) (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3 (= ~waterLevel~0 1) .cse9)))) [2022-11-25 18:08:42,993 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse1))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse3 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-25 18:08:42,994 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 127 151) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= ~waterLevel~0 1)) (.cse10 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and .cse9 .cse13 .cse10 .cse14 .cse12)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and .cse7 .cse13 .cse14 .cse12)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (let ((.cse6 (not .cse2))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse5 .cse6) (and .cse7 .cse5 .cse6) .cse8)) (let ((.cse11 (= ~waterLevel~0 1))) (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse9 .cse10 .cse11 .cse12) .cse2 .cse8 (and .cse7 .cse11 .cse12))) (or .cse0 (and .cse9 .cse10 .cse5 .cse12) .cse1 (and .cse7 .cse5 .cse12) .cse2 .cse8 .cse3 .cse4)))) [2022-11-25 18:08:42,994 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3 .cse4) (or (and (= ~pumpRunning~0 0) .cse2 .cse5) (not (= |old(~pumpRunning~0)| 0)) .cse4) (or .cse0 .cse3 .cse4 (and .cse1 .cse2 .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-25 18:08:42,994 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-11-25 18:08:42,994 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-11-25 18:08:42,995 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2022-11-25 18:08:42,995 INFO L895 garLoopResultBuilder]: At program point L258(lines 243 261) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-25 18:08:42,995 INFO L895 garLoopResultBuilder]: At program point L440(lines 391 441) the Hoare annotation is: false [2022-11-25 18:08:42,995 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 434) no Hoare annotation was computed. [2022-11-25 18:08:42,996 INFO L895 garLoopResultBuilder]: At program point L428-2(lines 422 435) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 (< 1 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2) .cse6) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4))) [2022-11-25 18:08:42,996 INFO L895 garLoopResultBuilder]: At program point L969(lines 964 971) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 18:08:42,996 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:08:42,996 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:08:42,996 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:08:42,996 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2022-11-25 18:08:42,997 INFO L899 garLoopResultBuilder]: For program point L412-1(lines 412 418) no Hoare annotation was computed. [2022-11-25 18:08:42,997 INFO L895 garLoopResultBuilder]: At program point L437(lines 392 439) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4 .cse7) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse6 .cse1 .cse3 .cse4))) [2022-11-25 18:08:42,997 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4 .cse7) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse6 .cse1 .cse3 .cse4))) [2022-11-25 18:08:42,997 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2022-11-25 18:08:42,998 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:08:42,998 INFO L895 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 18:08:42,998 INFO L895 garLoopResultBuilder]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 18:08:42,998 INFO L895 garLoopResultBuilder]: At program point L339(lines 335 341) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 18:08:42,998 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 375) no Hoare annotation was computed. [2022-11-25 18:08:42,998 INFO L899 garLoopResultBuilder]: For program point L368-2(lines 368 375) no Hoare annotation was computed. [2022-11-25 18:08:42,999 INFO L899 garLoopResultBuilder]: For program point L393(lines 392 439) no Hoare annotation was computed. [2022-11-25 18:08:42,999 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 435) no Hoare annotation was computed. [2022-11-25 18:08:42,999 INFO L902 garLoopResultBuilder]: At program point L352(lines 344 354) the Hoare annotation is: true [2022-11-25 18:08:42,999 INFO L895 garLoopResultBuilder]: At program point L414(line 414) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 (< 1 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2) .cse6) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4))) [2022-11-25 18:08:42,999 INFO L902 garLoopResultBuilder]: At program point L443(lines 382 447) the Hoare annotation is: true [2022-11-25 18:08:43,000 INFO L902 garLoopResultBuilder]: At program point L377(lines 358 380) the Hoare annotation is: true [2022-11-25 18:08:43,000 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2022-11-25 18:08:43,000 INFO L895 garLoopResultBuilder]: At program point L274(lines 262 276) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2022-11-25 18:08:43,000 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2022-11-25 18:08:43,000 INFO L895 garLoopResultBuilder]: At program point L464(lines 460 466) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 18:08:43,000 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2022-11-25 18:08:43,001 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 272) no Hoare annotation was computed. [2022-11-25 18:08:43,001 INFO L899 garLoopResultBuilder]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2022-11-25 18:08:43,001 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-25 18:08:43,001 INFO L895 garLoopResultBuilder]: At program point L157(lines 152 159) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-25 18:08:43,002 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-25 18:08:43,002 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-11-25 18:08:43,002 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2022-11-25 18:08:43,002 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-11-25 18:08:43,002 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-25 18:08:43,003 INFO L895 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse2 .cse0 .cse1) (or .cse2 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse1))) [2022-11-25 18:08:43,003 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-11-25 18:08:43,003 INFO L895 garLoopResultBuilder]: At program point L939(lines 930 943) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-11-25 18:08:43,003 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-11-25 18:08:43,003 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2022-11-25 18:08:43,004 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2022-11-25 18:08:43,004 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2022-11-25 18:08:43,004 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2022-11-25 18:08:43,004 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse4 .cse2) (or .cse4 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3))) [2022-11-25 18:08:43,004 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2022-11-25 18:08:43,004 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 179 187) the Hoare annotation is: true [2022-11-25 18:08:43,005 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 179 187) no Hoare annotation was computed. [2022-11-25 18:08:43,008 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:08:43,011 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:08:43,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:08:43 BoogieIcfgContainer [2022-11-25 18:08:43,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:08:43,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:08:43,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:08:43,053 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:08:43,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:16" (3/4) ... [2022-11-25 18:08:43,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:08:43,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-25 18:08:43,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-25 18:08:43,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-25 18:08:43,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-25 18:08:43,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-25 18:08:43,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-25 18:08:43,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-25 18:08:43,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-25 18:08:43,072 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-25 18:08:43,073 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 18:08:43,073 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 18:08:43,074 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:08:43,074 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:08:43,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-25 18:08:43,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-11-25 18:08:43,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-11-25 18:08:43,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) [2022-11-25 18:08:43,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-11-25 18:08:43,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-25 18:08:43,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) && ((((((((((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) [2022-11-25 18:08:43,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-25 18:08:43,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-25 18:08:43,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) [2022-11-25 18:08:43,104 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-25 18:08:43,104 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-25 18:08:43,104 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-25 18:08:43,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-25 18:08:43,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-25 18:08:43,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-11-25 18:08:43,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:08:43,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:08:43,139 INFO L158 Benchmark]: Toolchain (without parser) took 28130.73ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 161.1MB in the beginning and 265.4MB in the end (delta: -104.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-11-25 18:08:43,140 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:08:43,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.25ms. Allocated memory is still 199.2MB. Free memory was 161.1MB in the beginning and 142.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:08:43,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.88ms. Allocated memory is still 199.2MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:08:43,141 INFO L158 Benchmark]: Boogie Preprocessor took 55.66ms. Allocated memory is still 199.2MB. Free memory was 139.9MB in the beginning and 138.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:08:43,142 INFO L158 Benchmark]: RCFGBuilder took 528.94ms. Allocated memory is still 199.2MB. Free memory was 138.4MB in the beginning and 121.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:08:43,142 INFO L158 Benchmark]: TraceAbstraction took 26865.02ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 120.6MB in the beginning and 271.7MB in the end (delta: -151.1MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. [2022-11-25 18:08:43,142 INFO L158 Benchmark]: Witness Printer took 86.10ms. Allocated memory is still 346.0MB. Free memory was 271.7MB in the beginning and 265.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 18:08:43,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.25ms. Allocated memory is still 199.2MB. Free memory was 161.1MB in the beginning and 142.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.88ms. Allocated memory is still 199.2MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.66ms. Allocated memory is still 199.2MB. Free memory was 139.9MB in the beginning and 138.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.94ms. Allocated memory is still 199.2MB. Free memory was 138.4MB in the beginning and 121.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26865.02ms. Allocated memory was 199.2MB in the beginning and 346.0MB in the end (delta: 146.8MB). Free memory was 120.6MB in the beginning and 271.7MB in the end (delta: -151.1MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. * Witness Printer took 86.10ms. Allocated memory is still 346.0MB. Free memory was 271.7MB in the beginning and 265.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 958]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.8s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2621 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2575 mSDsluCounter, 6360 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5006 mSDsCounter, 835 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4277 IncrementalHoareTripleChecker+Invalid, 5112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 835 mSolverCounterUnsat, 1354 mSDtfsCounter, 4277 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 682 SyntacticMatches, 10 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1553 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1440occurred in iteration=10, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 761 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 3720 PreInvPairs, 4409 NumberOfFragments, 2680 HoareAnnotationTreeSize, 3720 FomulaSimplifications, 14057 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 45 FomulaSimplificationsInter, 57742 FormulaSimplificationTreeSizeReductionInter, 11.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1078 NumberOfCodeBlocks, 1078 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2665 SizeOfPredicates, 6 NumberOfNonLiveVariables, 874 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 779/883 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: 944]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: (((((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) && ((((((((((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 18:08:43,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7695b1-48b3-430a-beba-b1cd0f3f3e9e/bin/uautomizer-ZsLfNo2U6R/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