./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc --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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f --- 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-5e519f3 [2022-11-02 20:27:40,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:27:40,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:27:40,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:27:40,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:27:40,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:27:40,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:27:40,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:27:40,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:27:40,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:27:40,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:27:40,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:27:40,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:27:40,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:27:40,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:27:40,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:27:40,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:27:40,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:27:40,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:27:40,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:27:40,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:27:40,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:27:40,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:27:40,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:27:40,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:27:40,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:27:40,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:27:40,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:27:40,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:27:40,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:27:40,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:27:40,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:27:41,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:27:41,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:27:41,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:27:41,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:27:41,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:27:41,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:27:41,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:27:41,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:27:41,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:27:41,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:27:41,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:27:41,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:27:41,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:27:41,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:27:41,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:27:41,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:27:41,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:27:41,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:27:41,036 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:27:41,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:27:41,037 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:27:41,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:27:41,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:27:41,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:27:41,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:27:41,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:27:41,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:27:41,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:27:41,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:27:41,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:27:41,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:27:41,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:27:41,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:27:41,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:27:41,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:41,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:27:41,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:27:41,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:27:41,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:27:41,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:27:41,042 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:27:41,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:27:41,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:27:41,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2022-11-02 20:27:41,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:27:41,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:27:41,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:27:41,392 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:27:41,393 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:27:41,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2022-11-02 20:27:41,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/data/e9c1b043c/481bd29b6ccb4f6fa559f8ae6785b90e/FLAG5b69e428f [2022-11-02 20:27:42,014 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:27:42,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2022-11-02 20:27:42,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/data/e9c1b043c/481bd29b6ccb4f6fa559f8ae6785b90e/FLAG5b69e428f [2022-11-02 20:27:42,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/data/e9c1b043c/481bd29b6ccb4f6fa559f8ae6785b90e [2022-11-02 20:27:42,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:27:42,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:27:42,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:42,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:27:42,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:27:42,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1eacd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42, skipping insertion in model container [2022-11-02 20:27:42,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:27:42,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:27:42,707 WARN L230 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_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2022-11-02 20:27:42,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:42,776 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:27:42,826 WARN L230 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_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2022-11-02 20:27:42,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:42,863 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:27:42,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42 WrapperNode [2022-11-02 20:27:42,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:42,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:42,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:27:42,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:27:42,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,915 INFO L138 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 286 [2022-11-02 20:27:42,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:42,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:27:42,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:27:42,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:27:42,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:27:42,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:27:42,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:27:42,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:27:42,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (1/1) ... [2022-11-02 20:27:42,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:42,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:42,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:27:43,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:27:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:27:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:27:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:27:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:27:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:27:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:27:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:27:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:27:43,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:27:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:27:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:27:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 20:27:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 20:27:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:27:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:27:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:27:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:27:43,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:27:43,177 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:27:43,182 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:27:43,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:27:43,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:27:43,623 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:27:43,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:43 BoogieIcfgContainer [2022-11-02 20:27:43,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:27:43,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:27:43,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:27:43,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:27:43,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:27:42" (1/3) ... [2022-11-02 20:27:43,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a585dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:27:43, skipping insertion in model container [2022-11-02 20:27:43,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:42" (2/3) ... [2022-11-02 20:27:43,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a585dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:27:43, skipping insertion in model container [2022-11-02 20:27:43,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:43" (3/3) ... [2022-11-02 20:27:43,642 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2022-11-02 20:27:43,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:27:43,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:27:43,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:27:43,786 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;@629e1fcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:27:43,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:27:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-02 20:27:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:27:43,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:43,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:43,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:43,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash 194395982, now seen corresponding path program 1 times [2022-11-02 20:27:43,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:43,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966123094] [2022-11-02 20:27:43,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:43,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:44,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:44,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966123094] [2022-11-02 20:27:44,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966123094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:44,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:44,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:44,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363400890] [2022-11-02 20:27:44,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:44,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:27:44,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:44,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:27:44,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:27:44,208 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:44,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:44,290 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2022-11-02 20:27:44,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:27:44,292 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-02 20:27:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:44,310 INFO L225 Difference]: With dead ends: 180 [2022-11-02 20:27:44,311 INFO L226 Difference]: Without dead ends: 85 [2022-11-02 20:27:44,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:27:44,322 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2022-11-02 20:27:44,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:27:44,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-02 20:27:44,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-02 20:27:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-02 20:27:44,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-11-02 20:27:44,394 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 19 [2022-11-02 20:27:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:44,396 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-11-02 20:27:44,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-11-02 20:27:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 20:27:44,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:44,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:44,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:27:44,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:44,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash -891560987, now seen corresponding path program 1 times [2022-11-02 20:27:44,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:44,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350658236] [2022-11-02 20:27:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:44,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:44,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350658236] [2022-11-02 20:27:44,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350658236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:44,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:44,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:27:44,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70580192] [2022-11-02 20:27:44,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:44,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:44,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:44,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:44,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:44,604 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:44,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:44,628 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2022-11-02 20:27:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:44,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-02 20:27:44,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:44,630 INFO L225 Difference]: With dead ends: 131 [2022-11-02 20:27:44,631 INFO L226 Difference]: Without dead ends: 76 [2022-11-02 20:27:44,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:44,633 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:44,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:27:44,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-02 20:27:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-02 20:27:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 68 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:27:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-11-02 20:27:44,648 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 20 [2022-11-02 20:27:44,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:44,648 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-11-02 20:27:44,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-11-02 20:27:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:27:44,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:44,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:44,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:27:44,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:44,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:44,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1763827496, now seen corresponding path program 1 times [2022-11-02 20:27:44,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:44,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665096925] [2022-11-02 20:27:44,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:44,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:44,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:44,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665096925] [2022-11-02 20:27:44,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665096925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:44,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:44,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:27:44,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994835215] [2022-11-02 20:27:44,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:44,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:27:44,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:44,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:27:44,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:27:44,914 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:45,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:45,221 INFO L93 Difference]: Finished difference Result 266 states and 356 transitions. [2022-11-02 20:27:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:27:45,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-02 20:27:45,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:45,224 INFO L225 Difference]: With dead ends: 266 [2022-11-02 20:27:45,224 INFO L226 Difference]: Without dead ends: 197 [2022-11-02 20:27:45,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:27:45,227 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 284 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:45,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 458 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:27:45,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-02 20:27:45,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 175. [2022-11-02 20:27:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 136 states have (on average 1.3676470588235294) internal successors, (186), 154 states have internal predecessors, (186), 22 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-11-02 20:27:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 231 transitions. [2022-11-02 20:27:45,255 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 231 transitions. Word has length 25 [2022-11-02 20:27:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:45,256 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 231 transitions. [2022-11-02 20:27:45,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2022-11-02 20:27:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 20:27:45,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:45,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:45,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:27:45,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:45,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:45,270 INFO L85 PathProgramCache]: Analyzing trace with hash 687850495, now seen corresponding path program 1 times [2022-11-02 20:27:45,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:45,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21120201] [2022-11-02 20:27:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:45,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:45,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:45,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21120201] [2022-11-02 20:27:45,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21120201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:45,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:45,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:27:45,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328495661] [2022-11-02 20:27:45,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:45,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:27:45,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:45,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:27:45,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:27:45,525 INFO L87 Difference]: Start difference. First operand 175 states and 231 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:45,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:45,648 INFO L93 Difference]: Finished difference Result 494 states and 678 transitions. [2022-11-02 20:27:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:27:45,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-02 20:27:45,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:45,652 INFO L225 Difference]: With dead ends: 494 [2022-11-02 20:27:45,652 INFO L226 Difference]: Without dead ends: 326 [2022-11-02 20:27:45,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:27:45,655 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 69 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:45,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 385 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:27:45,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-11-02 20:27:45,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2022-11-02 20:27:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 252 states have (on average 1.3412698412698412) internal successors, (338), 284 states have internal predecessors, (338), 44 states have call successors, (44), 32 states have call predecessors, (44), 29 states have return successors, (50), 25 states have call predecessors, (50), 44 states have call successors, (50) [2022-11-02 20:27:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 432 transitions. [2022-11-02 20:27:45,703 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 432 transitions. Word has length 28 [2022-11-02 20:27:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:45,703 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 432 transitions. [2022-11-02 20:27:45,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 432 transitions. [2022-11-02 20:27:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 20:27:45,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:45,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:45,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:27:45,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:45,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:45,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1450440452, now seen corresponding path program 1 times [2022-11-02 20:27:45,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:45,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515068148] [2022-11-02 20:27:45,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:45,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:45,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:45,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515068148] [2022-11-02 20:27:45,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515068148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:45,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:45,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:45,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332256854] [2022-11-02 20:27:45,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:45,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:45,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:45,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:45,804 INFO L87 Difference]: Start difference. First operand 326 states and 432 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:45,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:45,878 INFO L93 Difference]: Finished difference Result 754 states and 1025 transitions. [2022-11-02 20:27:45,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:45,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-02 20:27:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:45,884 INFO L225 Difference]: With dead ends: 754 [2022-11-02 20:27:45,884 INFO L226 Difference]: Without dead ends: 435 [2022-11-02 20:27:45,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:45,889 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 57 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:45,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 157 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:27:45,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-11-02 20:27:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 424. [2022-11-02 20:27:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 334 states have (on average 1.2934131736526946) internal successors, (432), 361 states have internal predecessors, (432), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2022-11-02 20:27:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 548 transitions. [2022-11-02 20:27:45,943 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 548 transitions. Word has length 30 [2022-11-02 20:27:45,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:45,943 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 548 transitions. [2022-11-02 20:27:45,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 548 transitions. [2022-11-02 20:27:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:27:45,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:45,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:45,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:27:45,946 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:45,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:45,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1164230885, now seen corresponding path program 1 times [2022-11-02 20:27:45,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:45,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491538953] [2022-11-02 20:27:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:45,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:46,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:46,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491538953] [2022-11-02 20:27:46,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491538953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:46,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:46,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:27:46,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396024169] [2022-11-02 20:27:46,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:46,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:27:46,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:46,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:27:46,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:27:46,089 INFO L87 Difference]: Start difference. First operand 424 states and 548 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:27:46,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:46,465 INFO L93 Difference]: Finished difference Result 523 states and 679 transitions. [2022-11-02 20:27:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:27:46,466 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-02 20:27:46,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:46,475 INFO L225 Difference]: With dead ends: 523 [2022-11-02 20:27:46,475 INFO L226 Difference]: Without dead ends: 521 [2022-11-02 20:27:46,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:27:46,484 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 138 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:46,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 383 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:27:46,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2022-11-02 20:27:46,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 492. [2022-11-02 20:27:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 387 states have (on average 1.276485788113695) internal successors, (494), 425 states have internal predecessors, (494), 53 states have call successors, (53), 45 states have call predecessors, (53), 51 states have return successors, (88), 45 states have call predecessors, (88), 53 states have call successors, (88) [2022-11-02 20:27:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 635 transitions. [2022-11-02 20:27:46,575 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 635 transitions. Word has length 32 [2022-11-02 20:27:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:46,575 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 635 transitions. [2022-11-02 20:27:46,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:27:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 635 transitions. [2022-11-02 20:27:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:27:46,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:46,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:46,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:27:46,584 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:46,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:46,585 INFO L85 PathProgramCache]: Analyzing trace with hash 108395810, now seen corresponding path program 1 times [2022-11-02 20:27:46,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:46,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128643603] [2022-11-02 20:27:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:46,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:27:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:46,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:46,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128643603] [2022-11-02 20:27:46,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128643603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:46,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:46,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:27:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422314774] [2022-11-02 20:27:46,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:46,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:27:46,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:46,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:27:46,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:27:46,812 INFO L87 Difference]: Start difference. First operand 492 states and 635 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:27:47,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:47,175 INFO L93 Difference]: Finished difference Result 1091 states and 1460 transitions. [2022-11-02 20:27:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:27:47,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-11-02 20:27:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:47,180 INFO L225 Difference]: With dead ends: 1091 [2022-11-02 20:27:47,180 INFO L226 Difference]: Without dead ends: 606 [2022-11-02 20:27:47,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:27:47,185 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 141 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:47,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 365 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:27:47,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2022-11-02 20:27:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 544. [2022-11-02 20:27:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 433 states have (on average 1.2609699769053118) internal successors, (546), 471 states have internal predecessors, (546), 53 states have call successors, (53), 45 states have call predecessors, (53), 57 states have return successors, (96), 49 states have call predecessors, (96), 53 states have call successors, (96) [2022-11-02 20:27:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 695 transitions. [2022-11-02 20:27:47,277 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 695 transitions. Word has length 47 [2022-11-02 20:27:47,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:47,281 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 695 transitions. [2022-11-02 20:27:47,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:27:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 695 transitions. [2022-11-02 20:27:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:27:47,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:47,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:47,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:27:47,284 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:47,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1885748896, now seen corresponding path program 1 times [2022-11-02 20:27:47,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:47,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12850264] [2022-11-02 20:27:47,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:27:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:47,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:47,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12850264] [2022-11-02 20:27:47,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12850264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:47,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:47,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:27:47,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362633053] [2022-11-02 20:27:47,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:47,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:27:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:47,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:27:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:27:47,475 INFO L87 Difference]: Start difference. First operand 544 states and 695 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:27:47,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:47,813 INFO L93 Difference]: Finished difference Result 1067 states and 1402 transitions. [2022-11-02 20:27:47,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:27:47,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-11-02 20:27:47,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:47,817 INFO L225 Difference]: With dead ends: 1067 [2022-11-02 20:27:47,818 INFO L226 Difference]: Without dead ends: 530 [2022-11-02 20:27:47,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:27:47,823 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 209 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:47,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 315 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:27:47,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2022-11-02 20:27:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 428. [2022-11-02 20:27:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.2595870206489677) internal successors, (427), 368 states have internal predecessors, (427), 44 states have call successors, (44), 38 states have call predecessors, (44), 44 states have return successors, (70), 38 states have call predecessors, (70), 44 states have call successors, (70) [2022-11-02 20:27:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 541 transitions. [2022-11-02 20:27:47,879 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 541 transitions. Word has length 47 [2022-11-02 20:27:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:47,881 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 541 transitions. [2022-11-02 20:27:47,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:27:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 541 transitions. [2022-11-02 20:27:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:27:47,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:47,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:47,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:27:47,885 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:47,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:47,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1591569950, now seen corresponding path program 1 times [2022-11-02 20:27:47,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:47,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023700271] [2022-11-02 20:27:47,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:47,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:27:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:48,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:48,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023700271] [2022-11-02 20:27:48,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023700271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:48,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:48,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:27:48,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455570857] [2022-11-02 20:27:48,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:48,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:27:48,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:48,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:27:48,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:27:48,039 INFO L87 Difference]: Start difference. First operand 428 states and 541 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:27:48,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:48,516 INFO L93 Difference]: Finished difference Result 978 states and 1311 transitions. [2022-11-02 20:27:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:27:48,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-11-02 20:27:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:48,521 INFO L225 Difference]: With dead ends: 978 [2022-11-02 20:27:48,521 INFO L226 Difference]: Without dead ends: 665 [2022-11-02 20:27:48,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:27:48,526 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 221 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:48,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 484 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:27:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-11-02 20:27:48,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 640. [2022-11-02 20:27:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 506 states have (on average 1.2351778656126482) internal successors, (625), 543 states have internal predecessors, (625), 66 states have call successors, (66), 58 states have call predecessors, (66), 67 states have return successors, (131), 66 states have call predecessors, (131), 66 states have call successors, (131) [2022-11-02 20:27:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 822 transitions. [2022-11-02 20:27:48,602 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 822 transitions. Word has length 47 [2022-11-02 20:27:48,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:48,602 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 822 transitions. [2022-11-02 20:27:48,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:27:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 822 transitions. [2022-11-02 20:27:48,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-02 20:27:48,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:48,606 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 20:27:48,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:27:48,606 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:48,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:48,607 INFO L85 PathProgramCache]: Analyzing trace with hash -351052253, now seen corresponding path program 1 times [2022-11-02 20:27:48,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:48,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984565620] [2022-11-02 20:27:48,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:48,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:27:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:27:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:27:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:27:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:27:48,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:48,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984565620] [2022-11-02 20:27:48,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984565620] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:27:48,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793331193] [2022-11-02 20:27:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:48,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:27:48,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:48,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:27:48,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:27:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:27:48,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:27:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:49,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:27:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:27:49,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793331193] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:27:49,378 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:27:49,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-11-02 20:27:49,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971028372] [2022-11-02 20:27:49,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:27:49,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:27:49,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:49,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:27:49,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:27:49,381 INFO L87 Difference]: Start difference. First operand 640 states and 822 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:27:50,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:50,190 INFO L93 Difference]: Finished difference Result 1525 states and 2064 transitions. [2022-11-02 20:27:50,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-02 20:27:50,192 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2022-11-02 20:27:50,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:50,199 INFO L225 Difference]: With dead ends: 1525 [2022-11-02 20:27:50,200 INFO L226 Difference]: Without dead ends: 1000 [2022-11-02 20:27:50,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 171 SyntacticMatches, 8 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-11-02 20:27:50,204 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 346 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:50,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 582 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:27:50,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2022-11-02 20:27:50,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 869. [2022-11-02 20:27:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 679 states have (on average 1.2415316642120766) internal successors, (843), 732 states have internal predecessors, (843), 95 states have call successors, (95), 83 states have call predecessors, (95), 94 states have return successors, (198), 87 states have call predecessors, (198), 95 states have call successors, (198) [2022-11-02 20:27:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1136 transitions. [2022-11-02 20:27:50,324 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1136 transitions. Word has length 82 [2022-11-02 20:27:50,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:50,325 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1136 transitions. [2022-11-02 20:27:50,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:27:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1136 transitions. [2022-11-02 20:27:50,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-02 20:27:50,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:50,330 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:50,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:27:50,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:27:50,550 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:50,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 349407230, now seen corresponding path program 2 times [2022-11-02 20:27:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:50,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548119778] [2022-11-02 20:27:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:27:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:27:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:27:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:27:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:27:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:27:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:27:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:27:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548119778] [2022-11-02 20:27:50,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548119778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:27:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545896901] [2022-11-02 20:27:50,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:27:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:27:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:50,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:27:50,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:27:51,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:27:51,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:27:51,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:27:51,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:27:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-02 20:27:51,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:27:51,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545896901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:51,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:27:51,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-02 20:27:51,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322662901] [2022-11-02 20:27:51,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:51,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:27:51,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:51,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:27:51,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:27:51,228 INFO L87 Difference]: Start difference. First operand 869 states and 1136 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-02 20:27:51,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:51,695 INFO L93 Difference]: Finished difference Result 2382 states and 3234 transitions. [2022-11-02 20:27:51,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:27:51,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 117 [2022-11-02 20:27:51,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:51,704 INFO L225 Difference]: With dead ends: 2382 [2022-11-02 20:27:51,705 INFO L226 Difference]: Without dead ends: 1626 [2022-11-02 20:27:51,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:27:51,709 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 262 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:51,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 551 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:27:51,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2022-11-02 20:27:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1505. [2022-11-02 20:27:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1178 states have (on average 1.2410865874363328) internal successors, (1462), 1258 states have internal predecessors, (1462), 166 states have call successors, (166), 148 states have call predecessors, (166), 160 states have return successors, (304), 150 states have call predecessors, (304), 166 states have call successors, (304) [2022-11-02 20:27:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1932 transitions. [2022-11-02 20:27:51,878 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1932 transitions. Word has length 117 [2022-11-02 20:27:51,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:51,878 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 1932 transitions. [2022-11-02 20:27:51,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-02 20:27:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1932 transitions. [2022-11-02 20:27:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-02 20:27:51,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:51,883 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:51,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:27:52,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-02 20:27:52,106 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:52,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:52,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1225426236, now seen corresponding path program 1 times [2022-11-02 20:27:52,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:52,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579523301] [2022-11-02 20:27:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:52,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:27:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:27:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:27:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:27:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:27:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:27:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:27:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-02 20:27:52,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:52,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579523301] [2022-11-02 20:27:52,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579523301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:52,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:52,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:27:52,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018705473] [2022-11-02 20:27:52,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:52,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:27:52,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:52,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:27:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:27:52,280 INFO L87 Difference]: Start difference. First operand 1505 states and 1932 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:27:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:52,591 INFO L93 Difference]: Finished difference Result 2115 states and 2678 transitions. [2022-11-02 20:27:52,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:27:52,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 117 [2022-11-02 20:27:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:52,593 INFO L225 Difference]: With dead ends: 2115 [2022-11-02 20:27:52,593 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:27:52,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:27:52,598 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 155 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:52,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 311 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:27:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:27:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:27:52,600 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) [2022-11-02 20:27:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:27:52,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2022-11-02 20:27:52,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:52,601 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:27:52,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:27:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:27:52,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:27:52,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:27:52,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:27:52,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:27:57,462 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 714 721) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:27:57,462 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 714 721) no Hoare annotation was computed. [2022-11-02 20:27:57,462 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 714 721) no Hoare annotation was computed. [2022-11-02 20:27:57,462 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2022-11-02 20:27:57,463 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2022-11-02 20:27:57,463 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 935 946) the Hoare annotation is: true [2022-11-02 20:27:57,463 INFO L899 garLoopResultBuilder]: For program point L939-1(lines 935 946) no Hoare annotation was computed. [2022-11-02 20:27:57,463 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 935 946) no Hoare annotation was computed. [2022-11-02 20:27:57,463 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 608 627) no Hoare annotation was computed. [2022-11-02 20:27:57,463 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2022-11-02 20:27:57,464 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2022-11-02 20:27:57,464 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2022-11-02 20:27:57,464 INFO L895 garLoopResultBuilder]: At program point L915-2(lines 911 922) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:27:57,464 INFO L895 garLoopResultBuilder]: At program point L589(lines 584 591) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:27:57,464 INFO L895 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:27:57,465 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 605 628) no Hoare annotation was computed. [2022-11-02 20:27:57,465 INFO L895 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:27:57,465 INFO L895 garLoopResultBuilder]: At program point L1007(lines 1002 1010) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:27:57,465 INFO L895 garLoopResultBuilder]: At program point L677(line 677) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:27:57,466 INFO L895 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: (and (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)))) [2022-11-02 20:27:57,466 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2022-11-02 20:27:57,466 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2022-11-02 20:27:57,466 INFO L895 garLoopResultBuilder]: At program point L566-1(lines 558 582) the Hoare annotation is: (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse9 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1|)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse5 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse7 .cse2 .cse8 .cse9 (not .cse10))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and .cse4 .cse5) .cse6) (or (and .cse1 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= 1 ~waterLevel~0) .cse4 .cse5 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (and .cse7 .cse8 .cse9) .cse10 .cse6) (or .cse0 .cse3 .cse10 .cse6)))) [2022-11-02 20:27:57,467 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse3)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse3 .cse4) (or .cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse4)))) [2022-11-02 20:27:57,467 INFO L895 garLoopResultBuilder]: At program point L682-1(lines 663 687) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse4))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2))) (or (and .cse0 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-02 20:27:57,467 INFO L899 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2022-11-02 20:27:57,467 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-11-02 20:27:57,468 INFO L899 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2022-11-02 20:27:57,468 INFO L895 garLoopResultBuilder]: At program point L984(lines 979 987) the Hoare annotation is: (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse1 (and .cse7 .cse6 .cse8 (not .cse2))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse0 (and .cse5 .cse6) .cse1 (not (<= 1 |old(~waterLevel~0)|))) (or (and .cse7 .cse8) (and .cse5 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= 1 ~waterLevel~0) .cse4 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-11-02 20:27:57,468 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 605 628) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-02 20:27:57,468 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2022-11-02 20:27:57,469 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 605 628) no Hoare annotation was computed. [2022-11-02 20:27:57,469 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2022-11-02 20:27:57,469 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2022-11-02 20:27:57,469 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2022-11-02 20:27:57,469 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2022-11-02 20:27:57,469 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 90 119) the Hoare annotation is: true [2022-11-02 20:27:57,470 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2022-11-02 20:27:57,470 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-11-02 20:27:57,470 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-11-02 20:27:57,470 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2022-11-02 20:27:57,470 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-02 20:27:57,470 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2022-11-02 20:27:57,471 INFO L895 garLoopResultBuilder]: At program point L828(lines 816 830) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2022-11-02 20:27:57,471 INFO L902 garLoopResultBuilder]: At program point L184(lines 165 187) the Hoare annotation is: true [2022-11-02 20:27:57,471 INFO L895 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:27:57,471 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 826) no Hoare annotation was computed. [2022-11-02 20:27:57,471 INFO L899 garLoopResultBuilder]: For program point L820-1(lines 820 826) no Hoare annotation was computed. [2022-11-02 20:27:57,472 INFO L902 garLoopResultBuilder]: At program point L903(lines 840 907) the Hoare annotation is: true [2022-11-02 20:27:57,472 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 876) no Hoare annotation was computed. [2022-11-02 20:27:57,472 INFO L899 garLoopResultBuilder]: For program point L870-1(lines 870 876) no Hoare annotation was computed. [2022-11-02 20:27:57,472 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:27:57,472 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-02 20:27:57,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:27:57,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:27:57,473 INFO L895 garLoopResultBuilder]: At program point L900(lines 849 901) the Hoare annotation is: false [2022-11-02 20:27:57,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:27:57,473 INFO L899 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2022-11-02 20:27:57,473 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:27:57,474 INFO L895 garLoopResultBuilder]: At program point L888-2(lines 880 895) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-02 20:27:57,474 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:27:57,474 INFO L899 garLoopResultBuilder]: For program point L851(lines 850 899) no Hoare annotation was computed. [2022-11-02 20:27:57,474 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 895) no Hoare annotation was computed. [2022-11-02 20:27:57,474 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:27:57,474 INFO L895 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-02 20:27:57,475 INFO L902 garLoopResultBuilder]: At program point L162(lines 155 164) the Hoare annotation is: true [2022-11-02 20:27:57,475 INFO L895 garLoopResultBuilder]: At program point L897(lines 850 899) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-02 20:27:57,475 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2022-11-02 20:27:57,475 INFO L899 garLoopResultBuilder]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2022-11-02 20:27:57,475 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 856) no Hoare annotation was computed. [2022-11-02 20:27:57,476 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2022-11-02 20:27:57,476 INFO L899 garLoopResultBuilder]: For program point L175-2(lines 175 182) no Hoare annotation was computed. [2022-11-02 20:27:57,476 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:27:57,476 INFO L895 garLoopResultBuilder]: At program point L836(lines 831 838) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-11-02 20:27:57,476 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 637 661) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:27:57,477 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-11-02 20:27:57,477 INFO L895 garLoopResultBuilder]: At program point L704-2(lines 697 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (<= 2 ~waterLevel~0) (= 0 ~systemActive~0)) [2022-11-02 20:27:57,477 INFO L895 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2))) [2022-11-02 20:27:57,477 INFO L895 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-11-02 20:27:57,478 INFO L895 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-11-02 20:27:57,478 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2022-11-02 20:27:57,478 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2022-11-02 20:27:57,478 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) .cse2 .cse3 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (or .cse0 (and .cse2 .cse3) (not (<= 2 ~waterLevel~0)) .cse1))) [2022-11-02 20:27:57,478 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2022-11-02 20:27:57,479 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2022-11-02 20:27:57,479 INFO L899 garLoopResultBuilder]: For program point L992(lines 992 998) no Hoare annotation was computed. [2022-11-02 20:27:57,479 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 637 661) no Hoare annotation was computed. [2022-11-02 20:27:57,479 INFO L895 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:27:57,479 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:27:57,479 INFO L899 garLoopResultBuilder]: For program point L656-1(lines 637 661) no Hoare annotation was computed. [2022-11-02 20:27:57,480 INFO L895 garLoopResultBuilder]: At program point L997(lines 988 1001) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and .cse0 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse0 (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0))) [2022-11-02 20:27:57,480 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 923 934) no Hoare annotation was computed. [2022-11-02 20:27:57,480 INFO L899 garLoopResultBuilder]: For program point L927-1(lines 923 934) no Hoare annotation was computed. [2022-11-02 20:27:57,480 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 923 934) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-02 20:27:57,483 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:57,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:27:57,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:27:57 BoogieIcfgContainer [2022-11-02 20:27:57,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:27:57,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:27:57,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:27:57,517 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:27:57,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:43" (3/4) ... [2022-11-02 20:27:57,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:27:57,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 20:27:57,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:27:57,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:27:57,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:27:57,528 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:27:57,528 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:27:57,528 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:27:57,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-02 20:27:57,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:27:57,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:27:57,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:27:57,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:27:57,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:27:57,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:27:57,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-02 20:27:57,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-02 20:27:57,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-02 20:27:57,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:27:57,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= tmp___0) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:27:57,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) [2022-11-02 20:27:57,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-02 20:27:57,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel [2022-11-02 20:27:57,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && ((!(\old(pumpRunning) == 0) || (1 <= \result && 1 <= tmp)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 1 <= tmp___0) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:27:57,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:27:57,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive [2022-11-02 20:27:57,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-02 20:27:57,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 1 <= tmp___0) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:27:57,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((!(tmp == 0) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0)) || 0 == systemActive) [2022-11-02 20:27:57,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-02 20:27:57,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-11-02 20:27:57,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-11-02 20:27:57,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive [2022-11-02 20:27:57,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-11-02 20:27:57,630 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:27:57,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:27:57,631 INFO L158 Benchmark]: Toolchain (without parser) took 15283.06ms. Allocated memory was 102.8MB in the beginning and 262.1MB in the end (delta: 159.4MB). Free memory was 71.1MB in the beginning and 159.8MB in the end (delta: -88.7MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-11-02 20:27:57,631 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:27:57,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.37ms. Allocated memory is still 102.8MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:27:57,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.42ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 65.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:27:57,632 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 64.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:27:57,633 INFO L158 Benchmark]: RCFGBuilder took 680.95ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 64.2MB in the beginning and 115.4MB in the end (delta: -51.2MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-11-02 20:27:57,633 INFO L158 Benchmark]: TraceAbstraction took 13882.79ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 114.7MB in the beginning and 166.1MB in the end (delta: -51.3MB). Peak memory consumption was 159.1MB. Max. memory is 16.1GB. [2022-11-02 20:27:57,637 INFO L158 Benchmark]: Witness Printer took 113.80ms. Allocated memory is still 262.1MB. Free memory was 166.1MB in the beginning and 159.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:27:57,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.37ms. Allocated memory is still 102.8MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.42ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 65.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 64.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.95ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 64.2MB in the beginning and 115.4MB in the end (delta: -51.2MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13882.79ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 114.7MB in the beginning and 166.1MB in the end (delta: -51.3MB). Peak memory consumption was 159.1MB. Max. memory is 16.1GB. * Witness Printer took 113.80ms. Allocated memory is still 262.1MB. Free memory was 166.1MB in the beginning and 159.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1917 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1899 mSDsluCounter, 4282 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2947 mSDsCounter, 453 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1948 IncrementalHoareTripleChecker+Invalid, 2401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 453 mSolverCounterUnsat, 1335 mSDtfsCounter, 1948 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 477 GetRequests, 351 SyntacticMatches, 11 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1505occurred in iteration=11, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 503 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 2691 PreInvPairs, 3001 NumberOfFragments, 1108 HoareAnnotationTreeSize, 2691 FomulaSimplifications, 4086 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 23822 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 810 NumberOfCodeBlocks, 810 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 1676 SizeOfPredicates, 8 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 264/294 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: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && ((!(\old(pumpRunning) == 0) || (1 <= \result && 1 <= tmp)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 1 <= tmp___0) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= tmp___0) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 1 <= tmp___0) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((!(tmp == 0) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:27:57,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f6f9b68-a089-4b07-9cdf-4b968bd8befa/bin/uautomizer-Dbtcem3rbc/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