./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 --- 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-e04fb08 [2022-11-16 11:29:35,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:29:35,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:29:35,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:29:35,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:29:35,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:29:35,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:29:35,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:29:35,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:29:35,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:29:35,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:29:35,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:29:35,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:29:35,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:29:35,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:29:35,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:29:35,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:29:35,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:29:35,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:29:35,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:29:35,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:29:35,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:29:35,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:29:35,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:29:35,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:29:35,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:29:35,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:29:35,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:29:35,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:29:35,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:29:35,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:29:35,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:29:35,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:29:35,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:29:35,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:29:35,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:29:35,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:29:35,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:29:35,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:29:35,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:29:35,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:29:35,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:29:36,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:29:36,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:29:36,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:29:36,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:29:36,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:29:36,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:29:36,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:29:36,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:29:36,038 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:29:36,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:29:36,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:29:36,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:29:36,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:29:36,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:29:36,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:29:36,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:29:36,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:29:36,041 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:29:36,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:29:36,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:29:36,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:29:36,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:29:36,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:29:36,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:29:36,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:29:36,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:29:36,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:29:36,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:29:36,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:29:36,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:29:36,045 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:29:36,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:29:36,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:29:36,046 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_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fffab71bdab4f0e8e57248febe72260063a133a0cb2741fe9829d7065610e52 [2022-11-16 11:29:36,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:29:36,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:29:36,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:29:36,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:29:36,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:29:36,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2022-11-16 11:29:36,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/data/2d0e08b2e/6425eee95eca4a49a4edc357b5232da3/FLAGd448ce0a8 [2022-11-16 11:29:37,065 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:29:37,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2022-11-16 11:29:37,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/data/2d0e08b2e/6425eee95eca4a49a4edc357b5232da3/FLAGd448ce0a8 [2022-11-16 11:29:37,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/data/2d0e08b2e/6425eee95eca4a49a4edc357b5232da3 [2022-11-16 11:29:37,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:29:37,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:29:37,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:29:37,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:29:37,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:29:37,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fca8b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37, skipping insertion in model container [2022-11-16 11:29:37,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:29:37,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:29:37,758 WARN L229 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_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2022-11-16 11:29:37,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:29:37,770 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:29:37,841 WARN L229 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_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18328,18341] [2022-11-16 11:29:37,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:29:37,858 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:29:37,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37 WrapperNode [2022-11-16 11:29:37,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:29:37,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:29:37,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:29:37,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:29:37,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,932 INFO L138 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 248 [2022-11-16 11:29:37,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:29:37,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:29:37,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:29:37,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:29:37,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,964 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:29:37,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:29:37,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:29:37,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:29:37,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (1/1) ... [2022-11-16 11:29:37,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:29:37,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:29:38,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:29:38,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:29:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:29:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:29:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:29:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:29:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:29:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:29:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:29:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:29:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:29:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:29:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:29:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 11:29:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 11:29:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:29:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:29:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:29:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:29:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:29:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:29:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:29:38,186 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:29:38,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:29:38,564 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:29:38,573 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:29:38,573 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:29:38,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:29:38 BoogieIcfgContainer [2022-11-16 11:29:38,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:29:38,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:29:38,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:29:38,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:29:38,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:29:37" (1/3) ... [2022-11-16 11:29:38,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1842c7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:38, skipping insertion in model container [2022-11-16 11:29:38,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:37" (2/3) ... [2022-11-16 11:29:38,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1842c7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:38, skipping insertion in model container [2022-11-16 11:29:38,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:29:38" (3/3) ... [2022-11-16 11:29:38,586 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2022-11-16 11:29:38,606 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:29:38,606 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:29:38,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:29:38,696 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6acce4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:29:38,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:29:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 11:29:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 11:29:38,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:38,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:29:38,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:38,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:38,723 INFO L85 PathProgramCache]: Analyzing trace with hash 751018144, now seen corresponding path program 1 times [2022-11-16 11:29:38,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:38,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060631228] [2022-11-16 11:29:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:38,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:29:39,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:39,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060631228] [2022-11-16 11:29:39,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060631228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:39,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:39,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:29:39,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506594413] [2022-11-16 11:29:39,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:39,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:29:39,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:39,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:29:39,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:29:39,087 INFO L87 Difference]: Start difference. First operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:39,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:39,122 INFO L93 Difference]: Finished difference Result 172 states and 233 transitions. [2022-11-16 11:29:39,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:29:39,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-16 11:29:39,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:39,133 INFO L225 Difference]: With dead ends: 172 [2022-11-16 11:29:39,133 INFO L226 Difference]: Without dead ends: 81 [2022-11-16 11:29:39,137 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 [2022-11-16 11:29:39,140 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:39,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:29:39,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-16 11:29:39,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-16 11:29:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 11:29:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2022-11-16 11:29:39,185 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 19 [2022-11-16 11:29:39,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:39,186 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2022-11-16 11:29:39,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2022-11-16 11:29:39,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 11:29:39,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:39,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:29:39,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:29:39,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:39,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:39,189 INFO L85 PathProgramCache]: Analyzing trace with hash -950488096, now seen corresponding path program 1 times [2022-11-16 11:29:39,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:39,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107357169] [2022-11-16 11:29:39,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:29:39,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:39,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107357169] [2022-11-16 11:29:39,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107357169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:39,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:39,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:29:39,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970310379] [2022-11-16 11:29:39,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:39,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:29:39,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:39,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:29:39,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:29:39,310 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:39,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:39,329 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2022-11-16 11:29:39,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:29:39,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-16 11:29:39,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:39,332 INFO L225 Difference]: With dead ends: 124 [2022-11-16 11:29:39,333 INFO L226 Difference]: Without dead ends: 72 [2022-11-16 11:29:39,334 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 [2022-11-16 11:29:39,336 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 16 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:39,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:29:39,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-16 11:29:39,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-16 11:29:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 11:29:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-16 11:29:39,354 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 20 [2022-11-16 11:29:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:39,354 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-16 11:29:39,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-16 11:29:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 11:29:39,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:39,356 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] [2022-11-16 11:29:39,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:29:39,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:39,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:39,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1341231340, now seen corresponding path program 1 times [2022-11-16 11:29:39,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:39,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922662538] [2022-11-16 11:29:39,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:39,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:29:39,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:39,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922662538] [2022-11-16 11:29:39,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922662538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:39,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:39,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:29:39,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234244525] [2022-11-16 11:29:39,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:39,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:29:39,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:39,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:29:39,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:29:39,566 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:39,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:39,796 INFO L93 Difference]: Finished difference Result 239 states and 313 transitions. [2022-11-16 11:29:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:29:39,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-16 11:29:39,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:39,799 INFO L225 Difference]: With dead ends: 239 [2022-11-16 11:29:39,799 INFO L226 Difference]: Without dead ends: 174 [2022-11-16 11:29:39,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:29:39,802 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 244 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:39,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 399 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:29:39,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-16 11:29:39,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 168. [2022-11-16 11:29:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 123 states have (on average 1.3577235772357723) internal successors, (167), 141 states have internal predecessors, (167), 26 states have call successors, (26), 18 states have call predecessors, (26), 18 states have return successors, (27), 16 states have call predecessors, (27), 26 states have call successors, (27) [2022-11-16 11:29:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2022-11-16 11:29:39,858 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 220 transitions. Word has length 24 [2022-11-16 11:29:39,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:39,859 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 220 transitions. [2022-11-16 11:29:39,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:39,860 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2022-11-16 11:29:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:29:39,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:39,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:29:39,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:29:39,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:39,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:39,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1307370678, now seen corresponding path program 1 times [2022-11-16 11:29:39,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:39,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872864327] [2022-11-16 11:29:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:39,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:29:40,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:40,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872864327] [2022-11-16 11:29:40,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872864327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:40,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:40,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:29:40,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323061370] [2022-11-16 11:29:40,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:40,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:29:40,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:40,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:29:40,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:29:40,153 INFO L87 Difference]: Start difference. First operand 168 states and 220 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:40,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:40,522 INFO L93 Difference]: Finished difference Result 635 states and 876 transitions. [2022-11-16 11:29:40,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:29:40,523 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-16 11:29:40,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:40,538 INFO L225 Difference]: With dead ends: 635 [2022-11-16 11:29:40,538 INFO L226 Difference]: Without dead ends: 474 [2022-11-16 11:29:40,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:29:40,545 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 189 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:40,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 652 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:29:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-11-16 11:29:40,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 459. [2022-11-16 11:29:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 332 states have (on average 1.3343373493975903) internal successors, (443), 381 states have internal predecessors, (443), 75 states have call successors, (75), 51 states have call predecessors, (75), 51 states have return successors, (89), 45 states have call predecessors, (89), 75 states have call successors, (89) [2022-11-16 11:29:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2022-11-16 11:29:40,680 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 28 [2022-11-16 11:29:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:40,680 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2022-11-16 11:29:40,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2022-11-16 11:29:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:29:40,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:40,690 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] [2022-11-16 11:29:40,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:29:40,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:40,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:40,692 INFO L85 PathProgramCache]: Analyzing trace with hash -983490225, now seen corresponding path program 1 times [2022-11-16 11:29:40,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:40,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565925173] [2022-11-16 11:29:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:40,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:29:40,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:40,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565925173] [2022-11-16 11:29:40,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565925173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:40,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:40,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:29:40,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459670501] [2022-11-16 11:29:40,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:40,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:29:40,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:40,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:29:40,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:29:40,847 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:40,909 INFO L93 Difference]: Finished difference Result 764 states and 1029 transitions. [2022-11-16 11:29:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:29:40,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-16 11:29:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:40,915 INFO L225 Difference]: With dead ends: 764 [2022-11-16 11:29:40,915 INFO L226 Difference]: Without dead ends: 312 [2022-11-16 11:29:40,917 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 [2022-11-16 11:29:40,924 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:40,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:29:40,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-11-16 11:29:40,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 306. [2022-11-16 11:29:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 233 states have (on average 1.2446351931330473) internal successors, (290), 249 states have internal predecessors, (290), 36 states have call successors, (36), 36 states have call predecessors, (36), 36 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-11-16 11:29:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 368 transitions. [2022-11-16 11:29:40,969 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 368 transitions. Word has length 30 [2022-11-16 11:29:40,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:40,969 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 368 transitions. [2022-11-16 11:29:40,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2022-11-16 11:29:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-16 11:29:40,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:40,972 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 11:29:40,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:29:40,972 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:40,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:40,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1206380235, now seen corresponding path program 1 times [2022-11-16 11:29:40,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:40,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412894564] [2022-11-16 11:29:40,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:40,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:29:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:29:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:41,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:29:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-16 11:29:41,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:41,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412894564] [2022-11-16 11:29:41,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412894564] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:29:41,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871924704] [2022-11-16 11:29:41,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:41,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:29:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:29:41,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:29:41,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:29:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:41,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 11:29:41,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:29:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:29:41,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:29:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:29:41,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871924704] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:29:41,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:29:41,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2022-11-16 11:29:41,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405515329] [2022-11-16 11:29:41,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:29:41,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 11:29:41,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:41,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 11:29:41,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:29:41,760 INFO L87 Difference]: Start difference. First operand 306 states and 368 transitions. Second operand has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-16 11:29:42,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:42,017 INFO L93 Difference]: Finished difference Result 413 states and 495 transitions. [2022-11-16 11:29:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:29:42,018 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 53 [2022-11-16 11:29:42,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:42,018 INFO L225 Difference]: With dead ends: 413 [2022-11-16 11:29:42,018 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:29:42,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 99 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:29:42,020 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 137 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:42,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 332 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:29:42,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:29:42,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:29:42,022 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) [2022-11-16 11:29:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:29:42,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2022-11-16 11:29:42,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:42,022 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:29:42,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.933333333333334) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-16 11:29:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:29:42,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:29:42,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:29:42,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:29:42,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 11:29:42,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:29:43,558 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 832 839) the Hoare annotation is: true [2022-11-16 11:29:43,558 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 832 839) no Hoare annotation was computed. [2022-11-16 11:29:43,558 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 832 839) no Hoare annotation was computed. [2022-11-16 11:29:43,558 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2022-11-16 11:29:43,558 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2022-11-16 11:29:43,558 INFO L899 garLoopResultBuilder]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2022-11-16 11:29:43,558 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: true [2022-11-16 11:29:43,559 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2022-11-16 11:29:43,559 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2022-11-16 11:29:43,559 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 953) no Hoare annotation was computed. [2022-11-16 11:29:43,559 INFO L895 garLoopResultBuilder]: At program point L940-1(lines 932 956) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:29:43,559 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 724 747) no Hoare annotation was computed. [2022-11-16 11:29:43,560 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:29:43,560 INFO L895 garLoopResultBuilder]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1))))) [2022-11-16 11:29:43,560 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:29:43,560 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:29:43,560 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2022-11-16 11:29:43,560 INFO L899 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2022-11-16 11:29:43,561 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:29:43,561 INFO L895 garLoopResultBuilder]: At program point L801-1(lines 782 806) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:29:43,561 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2022-11-16 11:29:43,561 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2022-11-16 11:29:43,561 INFO L895 garLoopResultBuilder]: At program point L566-2(lines 562 573) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:29:43,561 INFO L895 garLoopResultBuilder]: At program point L963(lines 958 965) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:29:43,562 INFO L895 garLoopResultBuilder]: At program point L856(lines 851 859) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-16 11:29:43,562 INFO L899 garLoopResultBuilder]: For program point L728-1(lines 727 746) no Hoare annotation was computed. [2022-11-16 11:29:43,562 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2022-11-16 11:29:43,562 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2022-11-16 11:29:43,562 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 724 747) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:29:43,562 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 724 747) no Hoare annotation was computed. [2022-11-16 11:29:43,563 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2022-11-16 11:29:43,563 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-16 11:29:43,563 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-16 11:29:43,563 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-16 11:29:43,563 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-16 11:29:43,563 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-16 11:29:43,563 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-16 11:29:43,563 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-16 11:29:43,563 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-16 11:29:43,564 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-16 11:29:43,564 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-16 11:29:43,564 INFO L895 garLoopResultBuilder]: At program point L927(lines 915 929) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:29:43,564 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:29:43,564 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2022-11-16 11:29:43,564 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 925) no Hoare annotation was computed. [2022-11-16 11:29:43,564 INFO L899 garLoopResultBuilder]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2022-11-16 11:29:43,565 INFO L895 garLoopResultBuilder]: At program point L696-2(lines 690 703) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:29:43,565 INFO L895 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:29:43,565 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 686) no Hoare annotation was computed. [2022-11-16 11:29:43,565 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 680 686) no Hoare annotation was computed. [2022-11-16 11:29:43,565 INFO L895 garLoopResultBuilder]: At program point L705(lines 660 707) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:29:43,565 INFO L895 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:29:43,566 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:29:43,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:29:43,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:29:43,566 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-16 11:29:43,566 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-16 11:29:43,566 INFO L895 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:29:43,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:29:43,568 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-16 11:29:43,568 INFO L895 garLoopResultBuilder]: At program point L921(line 921) the Hoare annotation is: false [2022-11-16 11:29:43,568 INFO L899 garLoopResultBuilder]: For program point L661(lines 660 707) no Hoare annotation was computed. [2022-11-16 11:29:43,568 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-16 11:29:43,568 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 703) no Hoare annotation was computed. [2022-11-16 11:29:43,569 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|) .cse0 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-16 11:29:43,569 INFO L902 garLoopResultBuilder]: At program point L711(lines 650 715) the Hoare annotation is: true [2022-11-16 11:29:43,569 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2022-11-16 11:29:43,569 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2022-11-16 11:29:43,569 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2022-11-16 11:29:43,570 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:29:43,570 INFO L895 garLoopResultBuilder]: At program point L708(lines 659 709) the Hoare annotation is: false [2022-11-16 11:29:43,570 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2022-11-16 11:29:43,570 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2022-11-16 11:29:43,570 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-11-16 11:29:43,571 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:29:43,571 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2022-11-16 11:29:43,571 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2022-11-16 11:29:43,571 INFO L895 garLoopResultBuilder]: At program point L911(lines 896 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:29:43,571 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2022-11-16 11:29:43,572 INFO L899 garLoopResultBuilder]: For program point L905-2(lines 905 909) no Hoare annotation was computed. [2022-11-16 11:29:43,572 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-16 11:29:43,572 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2022-11-16 11:29:43,572 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 756 780) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-16 11:29:43,572 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2022-11-16 11:29:43,573 INFO L895 garLoopResultBuilder]: At program point L644(lines 639 647) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:29:43,573 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:29:43,573 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 840 850) the Hoare annotation is: true [2022-11-16 11:29:43,573 INFO L902 garLoopResultBuilder]: At program point L603(lines 598 606) the Hoare annotation is: true [2022-11-16 11:29:43,573 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2022-11-16 11:29:43,573 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 840 850) no Hoare annotation was computed. [2022-11-16 11:29:43,576 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-16 11:29:43,578 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:29:43,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:29:43 BoogieIcfgContainer [2022-11-16 11:29:43,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:29:43,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:29:43,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:29:43,619 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:29:43,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:29:38" (3/4) ... [2022-11-16 11:29:43,623 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:29:43,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:29:43,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:29:43,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:29:43,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:29:43,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:29:43,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:29:43,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:29:43,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 11:29:43,645 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-16 11:29:43,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:29:43,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:29:43,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:29:43,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:29:43,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:29:43,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:29:43,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 11:29:43,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 11:29:43,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2022-11-16 11:29:43,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:29:43,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) [2022-11-16 11:29:43,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) [2022-11-16 11:29:43,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) [2022-11-16 11:29:43,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-16 11:29:43,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2022-11-16 11:29:43,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:29:43,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive [2022-11-16 11:29:43,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-11-16 11:29:43,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:29:43,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:29:43,721 INFO L158 Benchmark]: Toolchain (without parser) took 6346.35ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 85.0MB in the beginning and 76.4MB in the end (delta: 8.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-11-16 11:29:43,722 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:29:43,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.56ms. Allocated memory is still 121.6MB. Free memory was 84.7MB in the beginning and 88.2MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:29:43,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.98ms. Allocated memory is still 121.6MB. Free memory was 88.2MB in the beginning and 85.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:29:43,723 INFO L158 Benchmark]: Boogie Preprocessor took 27.51ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 84.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:29:43,723 INFO L158 Benchmark]: RCFGBuilder took 607.09ms. Allocated memory is still 121.6MB. Free memory was 84.1MB in the beginning and 65.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:29:43,724 INFO L158 Benchmark]: TraceAbstraction took 5038.63ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 64.9MB in the beginning and 81.7MB in the end (delta: -16.7MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2022-11-16 11:29:43,724 INFO L158 Benchmark]: Witness Printer took 103.78ms. Allocated memory is still 165.7MB. Free memory was 81.7MB in the beginning and 76.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:29:43,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.56ms. Allocated memory is still 121.6MB. Free memory was 84.7MB in the beginning and 88.2MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.98ms. Allocated memory is still 121.6MB. Free memory was 88.2MB in the beginning and 85.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.51ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 84.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 607.09ms. Allocated memory is still 121.6MB. Free memory was 84.1MB in the beginning and 65.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5038.63ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 64.9MB in the beginning and 81.7MB in the end (delta: -16.7MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Witness Printer took 103.78ms. Allocated memory is still 165.7MB. Free memory was 81.7MB in the beginning and 76.4MB 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: 962]: 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, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 628 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 624 mSDsluCounter, 1710 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1177 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 488 IncrementalHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 533 mSDtfsCounter, 488 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 108 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=459occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 668 PreInvPairs, 726 NumberOfFragments, 593 HoareAnnotationTreeSize, 668 FomulaSimplifications, 310 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 2511 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 363 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 48/54 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: 630]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: ((((waterLevel == tmp && pumpRunning == 0) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:29:43,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e9181c-5e2b-420a-904b-2d5cc1a929b5/bin/uautomizer-tPACEb0tL8/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