./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/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_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/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_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- 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 12:05:28,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:05:28,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:05:28,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:05:28,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:05:28,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:05:28,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:05:28,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:05:28,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:05:28,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:05:28,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:05:28,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:05:28,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:05:28,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:05:28,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:05:28,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:05:28,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:05:28,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:05:28,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:05:28,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:05:28,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:05:28,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:05:28,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:05:28,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:05:28,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:05:28,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:05:28,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:05:28,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:05:28,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:05:28,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:05:28,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:05:28,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:05:28,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:05:28,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:05:28,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:05:28,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:05:28,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:05:28,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:05:28,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:05:28,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:05:28,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:05:28,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:05:29,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:05:29,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:05:29,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:05:29,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:05:29,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:05:29,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:05:29,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:05:29,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:05:29,028 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:05:29,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:05:29,030 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:05:29,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:05:29,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:05:29,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:05:29,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:05:29,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:05:29,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:05:29,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:05:29,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:05:29,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:05:29,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:05:29,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:05:29,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:05:29,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:05:29,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:05:29,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:05:29,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:05:29,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:05:29,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:05:29,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:05:29,038 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:05:29,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:05:29,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:05:29,039 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_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2022-11-16 12:05:29,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:05:29,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:05:29,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:05:29,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:05:29,475 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:05:29,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-11-16 12:05:29,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/data/c8240b19e/54f60d5302e94ee2b6c30701dd246955/FLAG047e85148 [2022-11-16 12:05:30,203 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:05:30,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-11-16 12:05:30,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/data/c8240b19e/54f60d5302e94ee2b6c30701dd246955/FLAG047e85148 [2022-11-16 12:05:30,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/data/c8240b19e/54f60d5302e94ee2b6c30701dd246955 [2022-11-16 12:05:30,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:05:30,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:05:30,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:05:30,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:05:30,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:05:30,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:30" (1/1) ... [2022-11-16 12:05:30,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4273f88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:30, skipping insertion in model container [2022-11-16 12:05:30,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:30" (1/1) ... [2022-11-16 12:05:30,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:05:30,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:05:30,919 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_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2022-11-16 12:05:30,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:05:30,971 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:05:31,034 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_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2022-11-16 12:05:31,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:05:31,074 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:05:31,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31 WrapperNode [2022-11-16 12:05:31,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:05:31,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:05:31,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:05:31,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:05:31,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,157 INFO L138 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 192 [2022-11-16 12:05:31,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:05:31,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:05:31,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:05:31,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:05:31,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,209 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:05:31,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:05:31,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:05:31,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:05:31,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (1/1) ... [2022-11-16 12:05:31,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:05:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:31,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:31,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:05:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:05:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:05:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:05:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:05:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:05:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:05:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:05:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:05:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:05:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:05:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:05:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 12:05:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 12:05:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:05:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:05:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:05:31,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:05:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:05:31,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:05:31,421 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:05:31,930 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:05:31,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:05:31,939 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:05:31,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:31 BoogieIcfgContainer [2022-11-16 12:05:31,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:05:31,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:05:31,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:05:31,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:05:31,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:05:30" (1/3) ... [2022-11-16 12:05:31,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e39237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:31, skipping insertion in model container [2022-11-16 12:05:31,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:31" (2/3) ... [2022-11-16 12:05:31,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e39237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:31, skipping insertion in model container [2022-11-16 12:05:31,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:31" (3/3) ... [2022-11-16 12:05:31,962 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2022-11-16 12:05:31,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:05:31,988 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:05:32,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:05:32,103 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;@30e8f53d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:05:32,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:05:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 56 states have (on average 1.375) internal successors, (77), 62 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 12:05:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:05:32,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:32,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:32,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:32,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:32,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1579981807, now seen corresponding path program 1 times [2022-11-16 12:05:32,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:32,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584980245] [2022-11-16 12:05:32,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:32,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:05:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:32,586 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 12:05:32,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:32,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584980245] [2022-11-16 12:05:32,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584980245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:32,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:32,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:05:32,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909698819] [2022-11-16 12:05:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:32,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:05:32,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:32,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:05:32,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:05:32,649 INFO L87 Difference]: Start difference. First operand has 76 states, 56 states have (on average 1.375) internal successors, (77), 62 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:32,714 INFO L93 Difference]: Finished difference Result 144 states and 193 transitions. [2022-11-16 12:05:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:05:32,717 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-16 12:05:32,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:32,735 INFO L225 Difference]: With dead ends: 144 [2022-11-16 12:05:32,735 INFO L226 Difference]: Without dead ends: 67 [2022-11-16 12:05:32,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 12:05:32,747 INFO L413 NwaCegarLoop]: 93 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, 93 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 12:05:32,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:05:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-16 12:05:32,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-16 12:05:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 54 states have internal predecessors, (63), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 12:05:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-11-16 12:05:32,838 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 23 [2022-11-16 12:05:32,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:32,839 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-11-16 12:05:32,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-11-16 12:05:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 12:05:32,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:32,848 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 12:05:32,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:05:32,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:32,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:32,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1991992407, now seen corresponding path program 1 times [2022-11-16 12:05:32,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:32,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974103611] [2022-11-16 12:05:32,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:32,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:33,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:05:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:33,027 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 12:05:33,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:33,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974103611] [2022-11-16 12:05:33,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974103611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:33,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:33,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:05:33,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536765280] [2022-11-16 12:05:33,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:33,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:05:33,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:33,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:05:33,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:05:33,033 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:33,084 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions. [2022-11-16 12:05:33,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:05:33,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-16 12:05:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:33,095 INFO L225 Difference]: With dead ends: 100 [2022-11-16 12:05:33,096 INFO L226 Difference]: Without dead ends: 58 [2022-11-16 12:05:33,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 12:05:33,098 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 12 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 126 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 12:05:33,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:05:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-16 12:05:33,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-16 12:05:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 12:05:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-11-16 12:05:33,119 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 24 [2022-11-16 12:05:33,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:33,120 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-11-16 12:05:33,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:33,122 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-16 12:05:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 12:05:33,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:33,124 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 12:05:33,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:05:33,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:33,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:33,126 INFO L85 PathProgramCache]: Analyzing trace with hash -501539922, now seen corresponding path program 1 times [2022-11-16 12:05:33,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:33,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559258638] [2022-11-16 12:05:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:33,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:05:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:33,360 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 12:05:33,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:33,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559258638] [2022-11-16 12:05:33,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559258638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:33,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:33,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:05:33,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396646278] [2022-11-16 12:05:33,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:33,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:05:33,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:33,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:05:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:05:33,367 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:33,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:33,530 INFO L93 Difference]: Finished difference Result 109 states and 138 transitions. [2022-11-16 12:05:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:05:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-16 12:05:33,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:33,533 INFO L225 Difference]: With dead ends: 109 [2022-11-16 12:05:33,533 INFO L226 Difference]: Without dead ends: 58 [2022-11-16 12:05:33,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 12:05:33,535 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 98 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:33,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 137 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:05:33,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-16 12:05:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-16 12:05:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 48 states have internal predecessors, (55), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 12:05:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2022-11-16 12:05:33,553 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 28 [2022-11-16 12:05:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:33,553 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2022-11-16 12:05:33,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2022-11-16 12:05:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 12:05:33,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:33,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:33,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:05:33,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:33,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:33,557 INFO L85 PathProgramCache]: Analyzing trace with hash -192778018, now seen corresponding path program 1 times [2022-11-16 12:05:33,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:33,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929405325] [2022-11-16 12:05:33,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:33,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:05:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:05:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:33,736 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 12:05:33,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:33,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929405325] [2022-11-16 12:05:33,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929405325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:33,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:33,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:05:33,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290803916] [2022-11-16 12:05:33,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:33,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:05:33,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:33,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:05:33,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:05:33,740 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:05:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:33,864 INFO L93 Difference]: Finished difference Result 159 states and 201 transitions. [2022-11-16 12:05:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:05:33,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 12:05:33,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:33,867 INFO L225 Difference]: With dead ends: 159 [2022-11-16 12:05:33,867 INFO L226 Difference]: Without dead ends: 108 [2022-11-16 12:05:33,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:05:33,870 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 44 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:33,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 338 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:05:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-16 12:05:33,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2022-11-16 12:05:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 85 states have internal predecessors, (97), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) [2022-11-16 12:05:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2022-11-16 12:05:33,910 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 33 [2022-11-16 12:05:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:33,910 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2022-11-16 12:05:33,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:05:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2022-11-16 12:05:33,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 12:05:33,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:33,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:33,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:05:33,913 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:33,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1881429350, now seen corresponding path program 1 times [2022-11-16 12:05:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:33,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53733381] [2022-11-16 12:05:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:33,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:05:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:05:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 12:05:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:34,126 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 12:05:34,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:34,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53733381] [2022-11-16 12:05:34,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53733381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:34,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:34,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:05:34,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87915068] [2022-11-16 12:05:34,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:34,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:05:34,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:05:34,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:05:34,130 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 12:05:34,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:34,328 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2022-11-16 12:05:34,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:05:34,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-11-16 12:05:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:34,332 INFO L225 Difference]: With dead ends: 180 [2022-11-16 12:05:34,332 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:05:34,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:05:34,345 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 47 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:34,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 99 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:05:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:05:34,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:05:34,355 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 12:05:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:05:34,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-16 12:05:34,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:34,356 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:05:34,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 12:05:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:05:34,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:05:34,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:05:34,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:05:34,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:05:34,968 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 12:05:34,968 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2022-11-16 12:05:34,969 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2022-11-16 12:05:34,969 INFO L895 garLoopResultBuilder]: At program point L832(lines 827 834) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,969 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-11-16 12:05:34,969 INFO L895 garLoopResultBuilder]: At program point L791(line 791) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,970 INFO L895 garLoopResultBuilder]: At program point L783(line 783) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,970 INFO L895 garLoopResultBuilder]: At program point L655(line 655) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,970 INFO L899 garLoopResultBuilder]: For program point L783-1(line 783) no Hoare annotation was computed. [2022-11-16 12:05:34,970 INFO L899 garLoopResultBuilder]: For program point L655-1(line 655) no Hoare annotation was computed. [2022-11-16 12:05:34,971 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2022-11-16 12:05:34,971 INFO L895 garLoopResultBuilder]: At program point L428-2(lines 424 435) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,971 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 745 768) no Hoare annotation was computed. [2022-11-16 12:05:34,971 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,972 INFO L895 garLoopResultBuilder]: At program point L796-1(lines 777 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,972 INFO L895 garLoopResultBuilder]: At program point L507(lines 502 509) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,972 INFO L899 garLoopResultBuilder]: For program point L661(lines 661 667) no Hoare annotation was computed. [2022-11-16 12:05:34,972 INFO L899 garLoopResultBuilder]: For program point L756-1(lines 756 762) no Hoare annotation was computed. [2022-11-16 12:05:34,973 INFO L895 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 12:05:34,973 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 793) no Hoare annotation was computed. [2022-11-16 12:05:34,973 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 670) no Hoare annotation was computed. [2022-11-16 12:05:34,973 INFO L895 garLoopResultBuilder]: At program point L657-1(lines 649 673) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~4#1| 0) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-16 12:05:34,974 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 798) no Hoare annotation was computed. [2022-11-16 12:05:34,974 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 745 768) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:05:34,974 INFO L899 garLoopResultBuilder]: For program point L749-1(lines 748 767) no Hoare annotation was computed. [2022-11-16 12:05:34,974 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 745 768) no Hoare annotation was computed. [2022-11-16 12:05:34,974 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2022-11-16 12:05:34,975 INFO L902 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2022-11-16 12:05:34,975 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2022-11-16 12:05:34,975 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 551 580) the Hoare annotation is: true [2022-11-16 12:05:34,975 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-11-16 12:05:34,976 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-11-16 12:05:34,976 INFO L902 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2022-11-16 12:05:34,976 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2022-11-16 12:05:34,980 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2022-11-16 12:05:34,980 INFO L902 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2022-11-16 12:05:34,981 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-11-16 12:05:34,981 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2022-11-16 12:05:34,981 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2022-11-16 12:05:34,981 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2022-11-16 12:05:34,982 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 641) no Hoare annotation was computed. [2022-11-16 12:05:34,984 INFO L899 garLoopResultBuilder]: For program point L634-2(lines 634 641) no Hoare annotation was computed. [2022-11-16 12:05:34,984 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2022-11-16 12:05:34,986 INFO L895 garLoopResultBuilder]: At program point L721-2(lines 715 726) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:34,987 INFO L902 garLoopResultBuilder]: At program point L643(lines 624 646) the Hoare annotation is: true [2022-11-16 12:05:34,991 INFO L895 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:05:34,992 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2022-11-16 12:05:34,992 INFO L895 garLoopResultBuilder]: At program point L544(lines 539 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:05:34,992 INFO L899 garLoopResultBuilder]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2022-11-16 12:05:34,993 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:05:34,993 INFO L902 garLoopResultBuilder]: At program point L734(lines 675 738) the Hoare annotation is: true [2022-11-16 12:05:34,993 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:05:34,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:05:34,994 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:34,994 INFO L895 garLoopResultBuilder]: At program point L536(lines 532 538) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:05:34,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:05:34,995 INFO L895 garLoopResultBuilder]: At program point L731(lines 684 732) the Hoare annotation is: false [2022-11-16 12:05:34,995 INFO L895 garLoopResultBuilder]: At program point L529(lines 525 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:05:34,995 INFO L899 garLoopResultBuilder]: For program point L686(lines 685 730) no Hoare annotation was computed. [2022-11-16 12:05:34,995 INFO L899 garLoopResultBuilder]: For program point L715(lines 715 726) no Hoare annotation was computed. [2022-11-16 12:05:34,996 INFO L895 garLoopResultBuilder]: At program point L707(line 707) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:34,997 INFO L895 garLoopResultBuilder]: At program point L728(lines 685 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:34,998 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 701) no Hoare annotation was computed. [2022-11-16 12:05:34,998 INFO L899 garLoopResultBuilder]: For program point L695-1(lines 695 701) no Hoare annotation was computed. [2022-11-16 12:05:34,998 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 691) no Hoare annotation was computed. [2022-11-16 12:05:34,998 INFO L902 garLoopResultBuilder]: At program point L621(lines 614 623) the Hoare annotation is: true [2022-11-16 12:05:35,001 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2022-11-16 12:05:35,002 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2022-11-16 12:05:35,003 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2022-11-16 12:05:35,003 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 769 775) no Hoare annotation was computed. [2022-11-16 12:05:35,003 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 769 775) the Hoare annotation is: true [2022-11-16 12:05:35,003 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 835 845) the Hoare annotation is: true [2022-11-16 12:05:35,004 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 835 845) no Hoare annotation was computed. [2022-11-16 12:05:35,004 INFO L902 garLoopResultBuilder]: At program point L840(line 840) the Hoare annotation is: true [2022-11-16 12:05:35,004 INFO L899 garLoopResultBuilder]: For program point L840-1(line 840) no Hoare annotation was computed. [2022-11-16 12:05:35,005 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 835 845) no Hoare annotation was computed. [2022-11-16 12:05:35,009 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:05:35,012 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:05:35,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:05:35 BoogieIcfgContainer [2022-11-16 12:05:35,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:05:35,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:05:35,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:05:35,056 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:05:35,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:31" (3/4) ... [2022-11-16 12:05:35,060 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:05:35,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:05:35,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:05:35,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:05:35,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:05:35,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:05:35,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:05:35,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 12:05:35,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-16 12:05:35,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:05:35,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:05:35,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:05:35,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:05:35,096 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:05:35,097 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:05:35,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:05:35,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:05:35,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2022-11-16 12:05:35,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 12:05:35,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-16 12:05:35,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-11-16 12:05:35,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 12:05:35,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-16 12:05:35,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 12:05:35,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:05:35,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:05:35,185 INFO L158 Benchmark]: Toolchain (without parser) took 4696.96ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 62.5MB in the beginning and 80.2MB in the end (delta: -17.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-11-16 12:05:35,185 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 70.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:05:35,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.61ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 65.2MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:05:35,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.30ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:05:35,186 INFO L158 Benchmark]: Boogie Preprocessor took 55.03ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:05:35,187 INFO L158 Benchmark]: RCFGBuilder took 727.84ms. Allocated memory is still 98.6MB. Free memory was 61.4MB in the beginning and 44.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:05:35,187 INFO L158 Benchmark]: TraceAbstraction took 3110.55ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 44.2MB in the beginning and 85.4MB in the end (delta: -41.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-11-16 12:05:35,187 INFO L158 Benchmark]: Witness Printer took 129.37ms. Allocated memory is still 134.2MB. Free memory was 84.4MB in the beginning and 80.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:05:35,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 70.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.61ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 65.2MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.30ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.03ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 727.84ms. Allocated memory is still 98.6MB. Free memory was 61.4MB in the beginning and 44.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3110.55ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 44.2MB in the beginning and 85.4MB in the end (delta: -41.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 129.37ms. Allocated memory is still 134.2MB. Free memory was 84.4MB in the beginning and 80.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 506]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 793 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 333 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 197 PreInvPairs, 219 NumberOfFragments, 291 HoareAnnotationTreeSize, 197 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 443 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-16 12:05:35,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c1629-8c64-4128-8eb1-c9eb25cbfda5/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