./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c --- 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-2329fc7 [2022-12-14 13:10:23,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:10:23,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:10:23,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:10:23,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:10:23,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:10:23,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:10:23,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:10:23,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:10:23,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:10:23,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:10:23,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:10:23,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:10:23,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:10:23,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:10:23,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:10:23,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:10:23,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:10:23,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:10:23,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:10:23,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:10:23,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:10:23,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:10:23,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:10:23,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:10:23,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:10:23,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:10:23,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:10:23,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:10:23,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:10:23,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:10:23,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:10:23,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:10:23,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:10:23,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:10:23,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:10:23,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:10:23,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:10:23,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:10:23,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:10:23,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:10:23,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 13:10:23,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:10:23,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:10:23,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:10:23,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:10:23,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:10:23,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:10:23,988 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:10:23,988 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:10:23,988 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:10:23,989 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:10:23,989 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:10:23,989 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:10:23,989 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:10:23,989 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:10:23,990 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:10:23,990 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:10:23,990 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:10:23,990 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:10:23,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:10:23,991 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:10:23,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:10:23,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:10:23,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:10:23,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:10:23,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:10:23,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:10:23,992 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:10:23,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:10:23,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:10:23,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:10:23,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:10:23,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:10:23,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:10:23,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:10:23,994 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:10:23,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:10:23,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:10:23,995 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:10:23,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:10:23,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:10:23,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:10:23,995 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_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c [2022-12-14 13:10:24,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:10:24,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:10:24,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:10:24,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:10:24,196 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:10:24,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2022-12-14 13:10:26,772 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:10:26,983 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:10:26,984 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2022-12-14 13:10:26,994 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/data/80f2a729d/3d067cf3e44a4536ba65c764218e3922/FLAG8e9966ac0 [2022-12-14 13:10:27,341 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/data/80f2a729d/3d067cf3e44a4536ba65c764218e3922 [2022-12-14 13:10:27,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:10:27,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:10:27,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:10:27,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:10:27,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:10:27,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e29aae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27, skipping insertion in model container [2022-12-14 13:10:27,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:10:27,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:10:27,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2022-12-14 13:10:27,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:10:27,571 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:10:27,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2022-12-14 13:10:27,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:10:27,628 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:10:27,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27 WrapperNode [2022-12-14 13:10:27,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:10:27,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:10:27,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:10:27,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:10:27,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,660 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 163 [2022-12-14 13:10:27,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:10:27,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:10:27,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:10:27,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:10:27,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:10:27,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:10:27,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:10:27,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:10:27,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (1/1) ... [2022-12-14 13:10:27,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:10:27,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:10:27,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:10:27,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:10:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:10:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-14 13:10:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-14 13:10:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-14 13:10:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-14 13:10:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-14 13:10:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-14 13:10:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-14 13:10:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-14 13:10:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-14 13:10:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-14 13:10:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-14 13:10:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-14 13:10:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:10:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-14 13:10:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-14 13:10:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:10:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:10:27,802 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:10:27,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:10:28,007 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:10:28,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:10:28,061 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 13:10:28,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:10:28 BoogieIcfgContainer [2022-12-14 13:10:28,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:10:28,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:10:28,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:10:28,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:10:28,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:10:27" (1/3) ... [2022-12-14 13:10:28,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8144b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:10:28, skipping insertion in model container [2022-12-14 13:10:28,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:10:27" (2/3) ... [2022-12-14 13:10:28,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8144b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:10:28, skipping insertion in model container [2022-12-14 13:10:28,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:10:28" (3/3) ... [2022-12-14 13:10:28,070 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2022-12-14 13:10:28,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:10:28,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:10:28,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:10:28,123 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=FINITE_AUTOMATA, 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;@3d5c0db2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:10:28,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:10:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 13:10:28,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 13:10:28,133 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:28,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:28,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:28,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:28,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1581354436, now seen corresponding path program 1 times [2022-12-14 13:10:28,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:28,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123559124] [2022-12-14 13:10:28,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:28,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:28,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:28,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123559124] [2022-12-14 13:10:28,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123559124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:28,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:28,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:10:28,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580953536] [2022-12-14 13:10:28,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:28,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 13:10:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:28,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 13:10:28,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 13:10:28,326 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 13:10:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:28,385 INFO L93 Difference]: Finished difference Result 110 states and 149 transitions. [2022-12-14 13:10:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 13:10:28,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-12-14 13:10:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:28,396 INFO L225 Difference]: With dead ends: 110 [2022-12-14 13:10:28,396 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 13:10:28,399 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 [2022-12-14 13:10:28,402 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:28,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:10:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 13:10:28,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-14 13:10:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 39 states have internal predecessors, (44), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 13:10:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2022-12-14 13:10:28,440 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 16 [2022-12-14 13:10:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:28,441 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2022-12-14 13:10:28,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 13:10:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-14 13:10:28,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 13:10:28,443 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:28,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:28,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:10:28,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:28,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:28,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1136988605, now seen corresponding path program 1 times [2022-12-14 13:10:28,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:28,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255905381] [2022-12-14 13:10:28,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:28,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:28,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:28,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255905381] [2022-12-14 13:10:28,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255905381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:28,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:28,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:10:28,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174415025] [2022-12-14 13:10:28,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:28,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:28,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:28,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:28,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:28,528 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 13:10:28,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:28,560 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2022-12-14 13:10:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:28,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-12-14 13:10:28,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:28,562 INFO L225 Difference]: With dead ends: 74 [2022-12-14 13:10:28,562 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 13:10:28,562 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 [2022-12-14 13:10:28,563 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 14 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:28,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 66 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:10:28,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 13:10:28,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-14 13:10:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 13:10:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-12-14 13:10:28,571 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 17 [2022-12-14 13:10:28,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:28,571 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-12-14 13:10:28,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 13:10:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-12-14 13:10:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 13:10:28,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:28,572 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] [2022-12-14 13:10:28,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:10:28,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:28,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:28,573 INFO L85 PathProgramCache]: Analyzing trace with hash 773547168, now seen corresponding path program 1 times [2022-12-14 13:10:28,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:28,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024236143] [2022-12-14 13:10:28,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:28,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:28,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:28,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024236143] [2022-12-14 13:10:28,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024236143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:28,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:28,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:10:28,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757825792] [2022-12-14 13:10:28,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:28,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:10:28,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:28,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:10:28,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:10:28,666 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 13:10:28,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:28,726 INFO L93 Difference]: Finished difference Result 117 states and 148 transitions. [2022-12-14 13:10:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 13:10:28,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-12-14 13:10:28,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:28,728 INFO L225 Difference]: With dead ends: 117 [2022-12-14 13:10:28,728 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 13:10:28,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:10:28,729 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 77 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:28,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 109 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:10:28,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 13:10:28,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2022-12-14 13:10:28,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 57 states have internal predecessors, (65), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2022-12-14 13:10:28,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-12-14 13:10:28,739 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 20 [2022-12-14 13:10:28,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:28,740 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-12-14 13:10:28,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 13:10:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-12-14 13:10:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 13:10:28,740 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:28,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:28,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:10:28,741 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:28,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1641870331, now seen corresponding path program 1 times [2022-12-14 13:10:28,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:28,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776535857] [2022-12-14 13:10:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:28,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:28,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:28,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776535857] [2022-12-14 13:10:28,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776535857] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:28,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:28,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 13:10:28,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967988923] [2022-12-14 13:10:28,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:28,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:10:28,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:10:28,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:10:28,815 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-14 13:10:28,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:28,918 INFO L93 Difference]: Finished difference Result 213 states and 275 transitions. [2022-12-14 13:10:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 13:10:28,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23 [2022-12-14 13:10:28,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:28,921 INFO L225 Difference]: With dead ends: 213 [2022-12-14 13:10:28,921 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 13:10:28,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 13:10:28,924 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 33 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:28,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 209 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:10:28,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 13:10:28,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2022-12-14 13:10:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 104 states have internal predecessors, (119), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (26), 18 states have call predecessors, (26), 24 states have call successors, (26) [2022-12-14 13:10:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2022-12-14 13:10:28,950 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 23 [2022-12-14 13:10:28,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:28,950 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2022-12-14 13:10:28,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-14 13:10:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2022-12-14 13:10:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 13:10:28,952 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:28,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:28,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:10:28,953 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:28,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:28,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1165212493, now seen corresponding path program 1 times [2022-12-14 13:10:28,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:28,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512752702] [2022-12-14 13:10:28,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:28,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:29,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:29,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512752702] [2022-12-14 13:10:29,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512752702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:29,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:29,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:10:29,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65837034] [2022-12-14 13:10:29,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:29,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:10:29,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:29,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:10:29,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:10:29,089 INFO L87 Difference]: Start difference. First operand 134 states and 169 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:10:29,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:29,148 INFO L93 Difference]: Finished difference Result 250 states and 320 transitions. [2022-12-14 13:10:29,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:10:29,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-12-14 13:10:29,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:29,150 INFO L225 Difference]: With dead ends: 250 [2022-12-14 13:10:29,150 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 13:10:29,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:10:29,152 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 24 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:29,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 55 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:10:29,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 13:10:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 13:10:29,154 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) [2022-12-14 13:10:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 13:10:29,154 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-12-14 13:10:29,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:29,154 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 13:10:29,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 13:10:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 13:10:29,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 13:10:29,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 13:10:29,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:10:29,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 13:10:29,620 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 685 692) no Hoare annotation was computed. [2022-12-14 13:10:29,621 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 685 692) the Hoare annotation is: true [2022-12-14 13:10:29,621 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 626 632) no Hoare annotation was computed. [2022-12-14 13:10:29,621 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 626 632) the Hoare annotation is: true [2022-12-14 13:10:29,621 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 458 469) the Hoare annotation is: true [2022-12-14 13:10:29,621 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2022-12-14 13:10:29,621 INFO L902 garLoopResultBuilder]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2022-12-14 13:10:29,621 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2022-12-14 13:10:29,621 INFO L902 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: true [2022-12-14 13:10:29,621 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2022-12-14 13:10:29,622 INFO L902 garLoopResultBuilder]: At program point L882(lines 857 886) the Hoare annotation is: true [2022-12-14 13:10:29,622 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-12-14 13:10:29,622 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 857 886) the Hoare annotation is: true [2022-12-14 13:10:29,622 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 875) no Hoare annotation was computed. [2022-12-14 13:10:29,622 INFO L902 garLoopResultBuilder]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2022-12-14 13:10:29,622 INFO L895 garLoopResultBuilder]: At program point L638(lines 638 655) the Hoare annotation is: (or (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0) (not (= 0 ~systemActive~0))) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,623 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 810) no Hoare annotation was computed. [2022-12-14 13:10:29,623 INFO L895 garLoopResultBuilder]: At program point L800(lines 800 813) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0) .cse1) (or (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0)) .cse0 .cse1))) [2022-12-14 13:10:29,623 INFO L895 garLoopResultBuilder]: At program point L800-1(lines 792 816) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0) .cse1) (or (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0)) .cse0 .cse1))) [2022-12-14 13:10:29,623 INFO L899 garLoopResultBuilder]: For program point L606-1(lines 605 624) no Hoare annotation was computed. [2022-12-14 13:10:29,623 INFO L895 garLoopResultBuilder]: At program point L648(line 648) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,623 INFO L895 garLoopResultBuilder]: At program point L644(line 644) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,624 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,624 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (or (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0) (not (= 0 ~systemActive~0))) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,624 INFO L895 garLoopResultBuilder]: At program point L653-1(lines 634 658) the Hoare annotation is: (or (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0) (not (= 0 ~systemActive~0))) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,624 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 602 625) the Hoare annotation is: (or (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,624 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2022-12-14 13:10:29,624 INFO L899 garLoopResultBuilder]: For program point L798-1(line 798) no Hoare annotation was computed. [2022-12-14 13:10:29,624 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 602 625) no Hoare annotation was computed. [2022-12-14 13:10:29,625 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-12-14 13:10:29,625 INFO L899 garLoopResultBuilder]: For program point L613-1(lines 613 619) no Hoare annotation was computed. [2022-12-14 13:10:29,625 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 650) no Hoare annotation was computed. [2022-12-14 13:10:29,625 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 470 478) the Hoare annotation is: true [2022-12-14 13:10:29,625 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 470 478) no Hoare annotation was computed. [2022-12-14 13:10:29,625 INFO L895 garLoopResultBuilder]: At program point L585(lines 534 586) the Hoare annotation is: false [2022-12-14 13:10:29,625 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2022-12-14 13:10:29,625 INFO L895 garLoopResultBuilder]: At program point L573-2(lines 565 580) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 13:10:29,626 INFO L899 garLoopResultBuilder]: For program point L536(lines 535 584) no Hoare annotation was computed. [2022-12-14 13:10:29,626 INFO L895 garLoopResultBuilder]: At program point L565(lines 565 580) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 13:10:29,626 INFO L895 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 13:10:29,626 INFO L895 garLoopResultBuilder]: At program point L582(lines 535 584) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 13:10:29,626 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 778) no Hoare annotation was computed. [2022-12-14 13:10:29,626 INFO L895 garLoopResultBuilder]: At program point L772-1(lines 772 778) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 13:10:29,626 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2022-12-14 13:10:29,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 13:10:29,627 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2022-12-14 13:10:29,627 INFO L895 garLoopResultBuilder]: At program point L938(lines 938 945) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (<= 0 ~pumpRunning~0) (not (= 0 ~systemActive~0))) [2022-12-14 13:10:29,627 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 13:10:29,627 INFO L902 garLoopResultBuilder]: At program point L938-2(lines 938 945) the Hoare annotation is: true [2022-12-14 13:10:29,627 INFO L902 garLoopResultBuilder]: At program point L588(lines 525 592) the Hoare annotation is: true [2022-12-14 13:10:29,627 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2022-12-14 13:10:29,627 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 561) no Hoare annotation was computed. [2022-12-14 13:10:29,627 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: false [2022-12-14 13:10:29,628 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 13:10:29,628 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2022-12-14 13:10:29,628 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 457) the Hoare annotation is: true [2022-12-14 13:10:29,631 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 13:10:29,633 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:10:29,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:10:29 BoogieIcfgContainer [2022-12-14 13:10:29,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:10:29,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:10:29,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:10:29,646 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:10:29,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:10:28" (3/4) ... [2022-12-14 13:10:29,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 13:10:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-14 13:10:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-14 13:10:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-14 13:10:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-14 13:10:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-14 13:10:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-14 13:10:29,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-14 13:10:29,658 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-12-14 13:10:29,659 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 13:10:29,659 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 13:10:29,660 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 13:10:29,660 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 13:10:29,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning <= 0 && 0 <= pumpRunning) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) [2022-12-14 13:10:29,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning <= 0 && 0 <= pumpRunning) && !(0 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) [2022-12-14 13:10:29,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning <= 0 && 0 <= pumpRunning) && !(0 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) [2022-12-14 13:10:29,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) <= 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= \old(pumpRunning))) && (((pumpRunning <= 0 && 0 <= pumpRunning) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) [2022-12-14 13:10:29,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) <= 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= \old(pumpRunning))) && (((pumpRunning <= 0 && 0 <= pumpRunning) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) [2022-12-14 13:10:29,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) [2022-12-14 13:10:29,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 13:10:29,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:10:29,704 INFO L158 Benchmark]: Toolchain (without parser) took 2359.38ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 110.1MB in the beginning and 98.2MB in the end (delta: 11.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2022-12-14 13:10:29,704 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:10:29,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.59ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 91.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 13:10:29,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.76ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:10:29,704 INFO L158 Benchmark]: Boogie Preprocessor took 17.53ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:10:29,705 INFO L158 Benchmark]: RCFGBuilder took 385.40ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 67.4MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 13:10:29,705 INFO L158 Benchmark]: TraceAbstraction took 1579.88ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 66.4MB in the beginning and 103.4MB in the end (delta: -37.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-12-14 13:10:29,705 INFO L158 Benchmark]: Witness Printer took 57.33ms. Allocated memory is still 197.1MB. Free memory was 102.4MB in the beginning and 98.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 13:10:29,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.59ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 91.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.76ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.53ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.40ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 67.4MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1579.88ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 66.4MB in the beginning and 103.4MB in the end (delta: -37.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 57.33ms. Allocated memory is still 197.1MB. Free memory was 102.4MB in the beginning and 98.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 494 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 220 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 243 PreInvPairs, 291 NumberOfFragments, 295 HoareAnnotationTreeSize, 243 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 1379 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 565]: Loop Invariant Derived loop invariant: ((pumpRunning <= 0 && tmp == 1) && splverifierCounter == 0) && 0 <= pumpRunning - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) <= 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= \old(pumpRunning))) && (((pumpRunning <= 0 && 0 <= pumpRunning) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) <= 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= \old(pumpRunning))) && (((pumpRunning <= 0 && 0 <= pumpRunning) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((pumpRunning <= 0 && 0 <= pumpRunning) && !(0 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((pumpRunning <= 0 && 0 <= pumpRunning) && !(0 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((pumpRunning <= 0 && tmp == 1) && splverifierCounter == 0) && 0 <= pumpRunning - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((pumpRunning <= 0 && methaneLevelCritical == 0) && tmp == 1) && 0 <= pumpRunning) && !(0 == systemActive) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((pumpRunning <= 0 && tmp == 1) && splverifierCounter == 0) && 0 <= pumpRunning - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: ((pumpRunning <= 0 && 0 <= pumpRunning) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) RESULT: Ultimate proved your program to be correct! [2022-12-14 13:10:29,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64528e62-0e85-4293-b6a7-b8cf627f7038/bin/utaipan-gh47qXpMRh/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