./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9 --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 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 --- 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-6b4ec56 [2022-11-20 20:27:08,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:27:08,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:27:08,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:27:08,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:27:08,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:27:08,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:27:08,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:27:08,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:27:08,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:27:08,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:27:08,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:27:08,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:27:08,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:27:08,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:27:08,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:27:08,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:27:08,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:27:08,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:27:08,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:27:08,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:27:08,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:27:08,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:27:08,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:27:08,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:27:08,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:27:08,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:27:08,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:27:08,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:27:08,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:27:08,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:27:08,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:27:08,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:27:08,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:27:08,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:27:08,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:27:08,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:27:08,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:27:08,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:27:08,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:27:08,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:27:08,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:27:08,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:27:08,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:27:08,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:27:08,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:27:08,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:27:08,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:27:08,970 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:27:08,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:27:08,971 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:27:08,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:27:08,971 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:27:08,972 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:27:08,972 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:27:08,972 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:27:08,972 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:27:08,973 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:27:08,973 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:27:08,973 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:27:08,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:27:08,974 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:27:08,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:27:08,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:27:08,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:27:08,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:27:08,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:27:08,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:27:08,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:27:08,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:27:08,976 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:27:08,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:27:08,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:27:08,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:27:08,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:27:08,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:27:08,978 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:27:08,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:27:08,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:27:08,979 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:27:08,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:27:08,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:27:08,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:27:08,980 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_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 [2022-11-20 20:27:09,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:27:09,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:27:09,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:27:09,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:27:09,387 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:27:09,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2022-11-20 20:27:12,790 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:27:13,072 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:27:13,073 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2022-11-20 20:27:13,090 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/data/4da4d1223/7e266503a4d54ea2ac9e28108037f06f/FLAGf1ec76fdd [2022-11-20 20:27:13,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/data/4da4d1223/7e266503a4d54ea2ac9e28108037f06f [2022-11-20 20:27:13,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:27:13,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:27:13,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:27:13,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:27:13,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:27:13,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5e0e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13, skipping insertion in model container [2022-11-20 20:27:13,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:27:13,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:27:13,428 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_78803294-c7fe-487d-8158-d21ae83e04ec/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[3064,3077] [2022-11-20 20:27:13,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:27:13,556 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:27:13,578 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_78803294-c7fe-487d-8158-d21ae83e04ec/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[3064,3077] [2022-11-20 20:27:13,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:27:13,656 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:27:13,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13 WrapperNode [2022-11-20 20:27:13,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:27:13,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:27:13,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:27:13,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:27:13,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,749 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 182 [2022-11-20 20:27:13,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:27:13,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:27:13,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:27:13,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:27:13,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,805 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:27:13,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:27:13,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:27:13,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:27:13,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (1/1) ... [2022-11-20 20:27:13,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:27:13,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:27:13,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:27:13,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:27:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:27:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 20:27:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 20:27:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 20:27:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 20:27:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 20:27:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 20:27:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 20:27:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 20:27:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 20:27:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 20:27:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 20:27:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 20:27:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-20 20:27:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-20 20:27:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:27:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 20:27:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 20:27:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:27:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:27:14,066 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:27:14,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:27:14,500 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:27:14,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:27:14,682 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:27:14,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:27:14 BoogieIcfgContainer [2022-11-20 20:27:14,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:27:14,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:27:14,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:27:14,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:27:14,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:27:13" (1/3) ... [2022-11-20 20:27:14,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a02dc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:27:14, skipping insertion in model container [2022-11-20 20:27:14,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:13" (2/3) ... [2022-11-20 20:27:14,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a02dc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:27:14, skipping insertion in model container [2022-11-20 20:27:14,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:27:14" (3/3) ... [2022-11-20 20:27:14,698 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2022-11-20 20:27:14,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:27:14,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:27:14,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:27:14,795 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;@40d2df54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:27:14,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:27:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 20:27:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 20:27:14,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:27:14,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:27:14,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:27:14,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:27:14,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1484969279, now seen corresponding path program 1 times [2022-11-20 20:27:14,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:27:14,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439197792] [2022-11-20 20:27:14,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:14,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:27:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:15,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:27:15,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:27:15,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439197792] [2022-11-20 20:27:15,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439197792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:27:15,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:27:15,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:27:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818169624] [2022-11-20 20:27:15,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:27:15,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:27:15,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:27:15,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:27:15,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:27:15,114 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) 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) [2022-11-20 20:27:15,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:27:15,239 INFO L93 Difference]: Finished difference Result 124 states and 165 transitions. [2022-11-20 20:27:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:27:15,242 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 [2022-11-20 20:27:15,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:27:15,254 INFO L225 Difference]: With dead ends: 124 [2022-11-20 20:27:15,254 INFO L226 Difference]: Without dead ends: 58 [2022-11-20 20:27:15,259 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 [2022-11-20 20:27:15,263 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:27:15,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:27:15,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-20 20:27:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-20 20:27:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 43 states have internal predecessors, (46), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-20 20:27:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-20 20:27:15,320 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 16 [2022-11-20 20:27:15,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:27:15,320 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-20 20:27:15,321 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) [2022-11-20 20:27:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-20 20:27:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:27:15,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:27:15,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:27:15,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:27:15,324 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:27:15,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:27:15,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1453515211, now seen corresponding path program 1 times [2022-11-20 20:27:15,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:27:15,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001056109] [2022-11-20 20:27:15,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:15,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:27:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:27:15,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:27:15,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001056109] [2022-11-20 20:27:15,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001056109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:27:15,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:27:15,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:27:15,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170945247] [2022-11-20 20:27:15,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:27:15,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:27:15,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:27:15,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:27:15,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:27:15,453 INFO L87 Difference]: Start difference. First operand 58 states and 73 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) [2022-11-20 20:27:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:27:15,514 INFO L93 Difference]: Finished difference Result 93 states and 117 transitions. [2022-11-20 20:27:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:27:15,515 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 [2022-11-20 20:27:15,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:27:15,516 INFO L225 Difference]: With dead ends: 93 [2022-11-20 20:27:15,516 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 20:27:15,517 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 [2022-11-20 20:27:15,519 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 7 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:27:15,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 87 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:27:15,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 20:27:15,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-20 20:27:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 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) [2022-11-20 20:27:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-20 20:27:15,532 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 17 [2022-11-20 20:27:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:27:15,532 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-20 20:27:15,533 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) [2022-11-20 20:27:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-20 20:27:15,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 20:27:15,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:27:15,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:27:15,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:27:15,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:27:15,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:27:15,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1670756149, now seen corresponding path program 1 times [2022-11-20 20:27:15,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:27:15,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438922043] [2022-11-20 20:27:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:27:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:27:15,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:27:15,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438922043] [2022-11-20 20:27:15,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438922043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:27:15,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:27:15,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:27:15,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928782682] [2022-11-20 20:27:15,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:27:15,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:27:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:27:15,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:27:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:27:15,661 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:27:15,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:27:15,714 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2022-11-20 20:27:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:27:15,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 19 [2022-11-20 20:27:15,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:27:15,716 INFO L225 Difference]: With dead ends: 98 [2022-11-20 20:27:15,716 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 20:27:15,717 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 [2022-11-20 20:27:15,719 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:27:15,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 46 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:27:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 20:27:15,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-20 20:27:15,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 38 states have internal predecessors, (39), 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) [2022-11-20 20:27:15,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2022-11-20 20:27:15,740 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 19 [2022-11-20 20:27:15,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:27:15,740 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2022-11-20 20:27:15,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:27:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-11-20 20:27:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 20:27:15,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:27:15,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:27:15,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:27:15,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:27:15,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:27:15,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1741768188, now seen corresponding path program 1 times [2022-11-20 20:27:15,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:27:15,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637120309] [2022-11-20 20:27:15,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:15,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:27:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:27:16,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:27:16,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637120309] [2022-11-20 20:27:16,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637120309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:27:16,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:27:16,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:27:16,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306102373] [2022-11-20 20:27:16,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:27:16,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:27:16,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:27:16,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:27:16,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:27:16,064 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:27:16,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:27:16,383 INFO L93 Difference]: Finished difference Result 160 states and 194 transitions. [2022-11-20 20:27:16,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:27:16,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2022-11-20 20:27:16,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:27:16,386 INFO L225 Difference]: With dead ends: 160 [2022-11-20 20:27:16,386 INFO L226 Difference]: Without dead ends: 112 [2022-11-20 20:27:16,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:27:16,388 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 104 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:27:16,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 141 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:27:16,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-20 20:27:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2022-11-20 20:27:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 76 states have internal predecessors, (84), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-11-20 20:27:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2022-11-20 20:27:16,417 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 29 [2022-11-20 20:27:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:27:16,418 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2022-11-20 20:27:16,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 20:27:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2022-11-20 20:27:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 20:27:16,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:27:16,420 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] [2022-11-20 20:27:16,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:27:16,420 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:27:16,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:27:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash 457435878, now seen corresponding path program 1 times [2022-11-20 20:27:16,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:27:16,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503023014] [2022-11-20 20:27:16,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:16,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:27:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:27:16,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:27:16,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503023014] [2022-11-20 20:27:16,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503023014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:27:16,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:27:16,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:27:16,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508256595] [2022-11-20 20:27:16,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:27:16,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:27:16,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:27:16,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:27:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:27:16,643 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 20:27:16,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:27:16,900 INFO L93 Difference]: Finished difference Result 118 states and 137 transitions. [2022-11-20 20:27:16,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 20:27:16,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-11-20 20:27:16,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:27:16,909 INFO L225 Difference]: With dead ends: 118 [2022-11-20 20:27:16,909 INFO L226 Difference]: Without dead ends: 116 [2022-11-20 20:27:16,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:27:16,913 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:27:16,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 136 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:27:16,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-20 20:27:16,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106. [2022-11-20 20:27:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 76 states have internal predecessors, (82), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-11-20 20:27:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2022-11-20 20:27:16,935 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 30 [2022-11-20 20:27:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:27:16,935 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2022-11-20 20:27:16,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 20:27:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2022-11-20 20:27:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 20:27:16,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:27:16,937 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:27:16,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:27:16,938 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:27:16,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:27:16,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1248259240, now seen corresponding path program 1 times [2022-11-20 20:27:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:27:16,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72032740] [2022-11-20 20:27:16,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:27:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:27:17,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:27:17,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72032740] [2022-11-20 20:27:17,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72032740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:27:17,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:27:17,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 20:27:17,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228761452] [2022-11-20 20:27:17,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:27:17,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 20:27:17,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:27:17,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 20:27:17,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-20 20:27:17,371 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand has 13 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 20:27:18,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:27:18,415 INFO L93 Difference]: Finished difference Result 313 states and 402 transitions. [2022-11-20 20:27:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 20:27:18,417 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 35 [2022-11-20 20:27:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:27:18,425 INFO L225 Difference]: With dead ends: 313 [2022-11-20 20:27:18,425 INFO L226 Difference]: Without dead ends: 209 [2022-11-20 20:27:18,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=267, Invalid=993, Unknown=0, NotChecked=0, Total=1260 [2022-11-20 20:27:18,434 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 299 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:27:18,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 261 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 20:27:18,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-11-20 20:27:18,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 150. [2022-11-20 20:27:18,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 98 states have (on average 1.183673469387755) internal successors, (116), 107 states have internal predecessors, (116), 26 states have call successors, (26), 21 states have call predecessors, (26), 25 states have return successors, (34), 27 states have call predecessors, (34), 26 states have call successors, (34) [2022-11-20 20:27:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2022-11-20 20:27:18,494 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 35 [2022-11-20 20:27:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:27:18,494 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2022-11-20 20:27:18,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 20:27:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2022-11-20 20:27:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 20:27:18,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:27:18,504 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-20 20:27:18,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 20:27:18,507 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:27:18,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:27:18,507 INFO L85 PathProgramCache]: Analyzing trace with hash -726877666, now seen corresponding path program 1 times [2022-11-20 20:27:18,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:27:18,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542187732] [2022-11-20 20:27:18,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:18,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:27:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 20:27:18,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:27:18,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542187732] [2022-11-20 20:27:18,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542187732] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:27:18,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626452304] [2022-11-20 20:27:18,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:27:18,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:27:18,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:27:18,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:27:18,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:27:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:27:19,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 20:27:19,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:27:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 20:27:19,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:27:19,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626452304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:27:19,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:27:19,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 21 [2022-11-20 20:27:19,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474585136] [2022-11-20 20:27:19,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:27:19,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:27:19,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:27:19,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:27:19,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2022-11-20 20:27:19,311 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand has 11 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 5 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 20:27:19,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:27:19,825 INFO L93 Difference]: Finished difference Result 389 states and 471 transitions. [2022-11-20 20:27:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 20:27:19,827 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 5 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2022-11-20 20:27:19,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:27:19,830 INFO L225 Difference]: With dead ends: 389 [2022-11-20 20:27:19,830 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:27:19,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2022-11-20 20:27:19,835 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 53 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:27:19,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 349 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:27:19,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:27:19,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:27:19,837 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) [2022-11-20 20:27:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:27:19,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2022-11-20 20:27:19,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:27:19,838 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:27:19,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 5 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 20:27:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:27:19,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:27:19,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 20:27:19,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:27:20,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:27:20,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 20:27:21,786 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 784 790) no Hoare annotation was computed. [2022-11-20 20:27:21,787 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 784 790) the Hoare annotation is: true [2022-11-20 20:27:21,787 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 20:27:21,787 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-11-20 20:27:21,788 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (= ~methaneLevelCritical~0 0) (= |timeShift_processEnvironment_~tmp~7#1| ~methaneLevelCritical~0))) [2022-11-20 20:27:21,788 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (not (= 1 ~systemActive~0)) [2022-11-20 20:27:21,788 INFO L895 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2022-11-20 20:27:21,788 INFO L899 garLoopResultBuilder]: For program point L824-1(line 824) no Hoare annotation was computed. [2022-11-20 20:27:21,788 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2022-11-20 20:27:21,789 INFO L895 garLoopResultBuilder]: At program point L837-1(lines 818 842) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0)) (and .cse0 (= |timeShift_processEnvironment_~tmp~7#1| ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2022-11-20 20:27:21,789 INFO L899 garLoopResultBuilder]: For program point L771-1(lines 771 777) no Hoare annotation was computed. [2022-11-20 20:27:21,789 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2022-11-20 20:27:21,789 INFO L895 garLoopResultBuilder]: At program point L169(lines 169 182) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse0 (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or .cse1 .cse0 (and .cse2 (= |timeShift_processEnvironment_~tmp~7#1| ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))))) [2022-11-20 20:27:21,789 INFO L895 garLoopResultBuilder]: At program point L169-1(lines 161 185) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse0 (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or .cse1 .cse0 (and .cse2 (= |timeShift_processEnvironment_~tmp~7#1| ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2))))) [2022-11-20 20:27:21,790 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 763 782) no Hoare annotation was computed. [2022-11-20 20:27:21,790 INFO L895 garLoopResultBuilder]: At program point L826(lines 826 834) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_processEnvironment_~tmp~7#1| ~methaneLevelCritical~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2022-11-20 20:27:21,790 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 839) no Hoare annotation was computed. [2022-11-20 20:27:21,790 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 760 783) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2022-11-20 20:27:21,790 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 760 783) no Hoare annotation was computed. [2022-11-20 20:27:21,791 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2022-11-20 20:27:21,791 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0)) (and .cse0 (= |timeShift_processEnvironment_~tmp~7#1| ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2022-11-20 20:27:21,791 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2022-11-20 20:27:21,791 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2022-11-20 20:27:21,791 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2022-11-20 20:27:21,791 INFO L902 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2022-11-20 20:27:21,792 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-11-20 20:27:21,792 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-20 20:27:21,792 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2022-11-20 20:27:21,792 INFO L902 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2022-11-20 20:27:21,792 INFO L902 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2022-11-20 20:27:21,792 INFO L899 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2022-11-20 20:27:21,793 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-11-20 20:27:21,793 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-11-20 20:27:21,793 INFO L895 garLoopResultBuilder]: At program point L275(lines 275 282) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-20 20:27:21,793 INFO L902 garLoopResultBuilder]: At program point L275-2(lines 275 282) the Hoare annotation is: true [2022-11-20 20:27:21,793 INFO L895 garLoopResultBuilder]: At program point L746(lines 699 747) the Hoare annotation is: false [2022-11-20 20:27:21,793 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 20:27:21,794 INFO L899 garLoopResultBuilder]: For program point L701(lines 700 745) no Hoare annotation was computed. [2022-11-20 20:27:21,794 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:27:21,794 INFO L895 garLoopResultBuilder]: At program point L743(lines 700 745) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-11-20 20:27:21,794 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 716) no Hoare annotation was computed. [2022-11-20 20:27:21,794 INFO L899 garLoopResultBuilder]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2022-11-20 20:27:21,794 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 20:27:21,800 INFO L895 garLoopResultBuilder]: At program point L736-2(lines 730 741) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:27:21,800 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2022-11-20 20:27:21,800 INFO L899 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2022-11-20 20:27:21,801 INFO L902 garLoopResultBuilder]: At program point L749(lines 690 753) the Hoare annotation is: true [2022-11-20 20:27:21,801 INFO L895 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-11-20 20:27:21,801 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-11-20 20:27:21,801 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: true [2022-11-20 20:27:21,804 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2022-11-20 20:27:21,804 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 808) no Hoare annotation was computed. [2022-11-20 20:27:21,804 INFO L895 garLoopResultBuilder]: At program point L796(lines 796 813) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2022-11-20 20:27:21,805 INFO L895 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2022-11-20 20:27:21,805 INFO L895 garLoopResultBuilder]: At program point L856-1(line 856) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not .cse1) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_activatePump_#t~ret42#1| ~methaneLevelCritical~0))))) [2022-11-20 20:27:21,805 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 792 816) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0))) [2022-11-20 20:27:21,805 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 792 816) no Hoare annotation was computed. [2022-11-20 20:27:21,805 INFO L895 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2022-11-20 20:27:21,806 INFO L899 garLoopResultBuilder]: For program point L811-1(lines 792 816) no Hoare annotation was computed. [2022-11-20 20:27:21,806 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-11-20 20:27:21,806 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-11-20 20:27:21,807 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 876 886) the Hoare annotation is: true [2022-11-20 20:27:21,807 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 876 886) no Hoare annotation was computed. [2022-11-20 20:27:21,811 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:27:21,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:27:21,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:27:21 BoogieIcfgContainer [2022-11-20 20:27:21,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:27:21,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:27:21,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:27:21,851 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:27:21,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:27:14" (3/4) ... [2022-11-20 20:27:21,855 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:27:21,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 20:27:21,864 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 20:27:21,864 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 20:27:21,864 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 20:27:21,864 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 20:27:21,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 20:27:21,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-20 20:27:21,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-20 20:27:21,882 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-20 20:27:21,883 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 20:27:21,883 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 20:27:21,884 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:27:21,888 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:27:21,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(1 == systemActive) [2022-11-20 20:27:21,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 || !(1 == systemActive)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0) [2022-11-20 20:27:21,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-11-20 20:27:21,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && tmp == methaneLevelCritical) || !(1 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) [2022-11-20 20:27:21,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2022-11-20 20:27:21,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2022-11-20 20:27:21,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && aux-isMethaneAlarm()-aux == methaneLevelCritical)) [2022-11-20 20:27:21,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:27:21,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:27:21,982 INFO L158 Benchmark]: Toolchain (without parser) took 8871.74ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 121.0MB in the beginning and 74.2MB in the end (delta: 46.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2022-11-20 20:27:21,982 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:27:21,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.44ms. Allocated memory is still 161.5MB. Free memory was 121.0MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 20:27:21,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.12ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 116.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:27:21,984 INFO L158 Benchmark]: Boogie Preprocessor took 65.55ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 115.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:27:21,984 INFO L158 Benchmark]: RCFGBuilder took 868.68ms. Allocated memory is still 161.5MB. Free memory was 115.0MB in the beginning and 89.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 20:27:21,985 INFO L158 Benchmark]: TraceAbstraction took 7161.38ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 89.2MB in the beginning and 79.4MB in the end (delta: 9.8MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2022-11-20 20:27:21,985 INFO L158 Benchmark]: Witness Printer took 131.11ms. Allocated memory is still 195.0MB. Free memory was 79.4MB in the beginning and 74.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:27:21,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.44ms. Allocated memory is still 161.5MB. Free memory was 121.0MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.12ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 116.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.55ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 115.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 868.68ms. Allocated memory is still 161.5MB. Free memory was 115.0MB in the beginning and 89.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7161.38ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 89.2MB in the beginning and 79.4MB in the end (delta: 9.8MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Witness Printer took 131.11ms. Allocated memory is still 195.0MB. Free memory was 79.4MB in the beginning and 74.2MB in the end (delta: 5.2MB). 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: 155]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 605 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 580 mSDsluCounter, 1082 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 722 mSDsCounter, 300 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1329 IncrementalHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 300 mSolverCounterUnsat, 360 mSDtfsCounter, 1329 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=6, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 75 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 417 PreInvPairs, 517 NumberOfFragments, 440 HoareAnnotationTreeSize, 417 FomulaSimplifications, 547 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 36 FomulaSimplificationsInter, 4804 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 641 SizeOfPredicates, 5 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 62/72 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(1 == systemActive) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && tmp == methaneLevelCritical) || !(1 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: !(1 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 || !(1 == systemActive)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((tmp == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && aux-isMethaneAlarm()-aux == methaneLevelCritical)) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((tmp == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || (pumpRunning == 0 && tmp == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) RESULT: Ultimate proved your program to be correct! [2022-11-20 20:27:22,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78803294-c7fe-487d-8158-d21ae83e04ec/bin/utaipan-6cKwYrpEi9/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