./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:36:50,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:36:50,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:36:50,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:36:50,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:36:50,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:36:50,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:36:50,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:36:50,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:36:50,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:36:50,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:36:50,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:36:50,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:36:50,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:36:50,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:36:50,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:36:50,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:36:50,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:36:50,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:36:50,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:36:50,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:36:50,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:36:50,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:36:50,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:36:50,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:36:50,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:36:50,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:36:50,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:36:50,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:36:50,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:36:50,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:36:50,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:36:50,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:36:50,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:36:50,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:36:50,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:36:50,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:36:50,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:36:50,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:36:50,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:36:50,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:36:50,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:36:50,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:36:50,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:36:50,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:36:50,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:36:50,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:36:50,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:36:50,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:36:50,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:36:50,947 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:36:50,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:36:50,948 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:36:50,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:36:50,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:36:50,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:36:50,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:36:50,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:36:50,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:36:50,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:36:50,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:36:50,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:36:50,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:36:50,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:36:50,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:36:50,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:36:50,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:36:50,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:36:50,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:36:50,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:36:50,954 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_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602cfe18b91619df9f72a635538ac12a04ad2b1a7317fc21bfb2789503e11368 [2022-11-02 20:36:51,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:36:51,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:36:51,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:36:51,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:36:51,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:36:51,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2022-11-02 20:36:51,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/data/bb38378b5/3ae1a83f1def403da813a7e4970146d2/FLAG78256ff1a [2022-11-02 20:36:52,220 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:36:52,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2022-11-02 20:36:52,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/data/bb38378b5/3ae1a83f1def403da813a7e4970146d2/FLAG78256ff1a [2022-11-02 20:36:52,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/data/bb38378b5/3ae1a83f1def403da813a7e4970146d2 [2022-11-02 20:36:52,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:36:52,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:36:52,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:52,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:36:52,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:36:52,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:52" (1/1) ... [2022-11-02 20:36:52,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388d8aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:52, skipping insertion in model container [2022-11-02 20:36:52,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:52" (1/1) ... [2022-11-02 20:36:52,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:36:52,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:52,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2022-11-02 20:36:52,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:53,034 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:36:53,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5426,5439] [2022-11-02 20:36:53,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:53,174 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:36:53,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53 WrapperNode [2022-11-02 20:36:53,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:53,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:53,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:36:53,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:36:53,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,234 INFO L138 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 224 [2022-11-02 20:36:53,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:53,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:36:53,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:36:53,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:36:53,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:36:53,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:36:53,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:36:53,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:36:53,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (1/1) ... [2022-11-02 20:36:53,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:36:53,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:53,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:53,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:36:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:36:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:36:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:36:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:36:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:36:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:36:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:36:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:36:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:36:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:36:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:36:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:36:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:36:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:36:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:36:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:36:53,545 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:36:53,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:36:54,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:54,160 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:54,173 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:36:54,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:54 BoogieIcfgContainer [2022-11-02 20:36:54,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:54,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:36:54,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:36:54,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:36:54,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:36:52" (1/3) ... [2022-11-02 20:36:54,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bb7cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:54, skipping insertion in model container [2022-11-02 20:36:54,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:53" (2/3) ... [2022-11-02 20:36:54,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bb7cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:54, skipping insertion in model container [2022-11-02 20:36:54,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:54" (3/3) ... [2022-11-02 20:36:54,193 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2022-11-02 20:36:54,218 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:36:54,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:36:54,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:36:54,338 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;@3767087f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:36:54,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:36:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:36:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:36:54,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:54,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:54,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:54,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:54,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1533360152, now seen corresponding path program 1 times [2022-11-02 20:36:54,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:54,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377556450] [2022-11-02 20:36:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:54,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:36:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:54,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:54,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377556450] [2022-11-02 20:36:54,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377556450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:54,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:54,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:36:54,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683133833] [2022-11-02 20:36:54,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:54,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:36:54,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:54,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:36:54,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:36:54,830 INFO L87 Difference]: Start difference. First operand has 76 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-02 20:36:54,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:54,870 INFO L93 Difference]: Finished difference Result 143 states and 194 transitions. [2022-11-02 20:36:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:36:54,874 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-11-02 20:36:54,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:54,886 INFO L225 Difference]: With dead ends: 143 [2022-11-02 20:36:54,886 INFO L226 Difference]: Without dead ends: 67 [2022-11-02 20:36:54,891 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 [2022-11-02 20:36:54,896 INFO L413 NwaCegarLoop]: 94 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, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:54,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:36:54,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-02 20:36:54,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-02 20:36:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-02 20:36:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-02 20:36:54,955 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 25 [2022-11-02 20:36:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:54,956 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-02 20:36:54,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-02 20:36:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-02 20:36:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:36:54,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:54,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:54,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:36:54,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:54,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:54,968 INFO L85 PathProgramCache]: Analyzing trace with hash -836909314, now seen corresponding path program 1 times [2022-11-02 20:36:54,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:54,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316708352] [2022-11-02 20:36:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:55,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 20:36:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:55,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:55,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316708352] [2022-11-02 20:36:55,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316708352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:55,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:55,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:36:55,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049480049] [2022-11-02 20:36:55,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:55,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:36:55,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:36:55,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:36:55,233 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-02 20:36:55,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:55,258 INFO L93 Difference]: Finished difference Result 98 states and 124 transitions. [2022-11-02 20:36:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:36:55,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-11-02 20:36:55,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:55,263 INFO L225 Difference]: With dead ends: 98 [2022-11-02 20:36:55,264 INFO L226 Difference]: Without dead ends: 58 [2022-11-02 20:36:55,265 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 [2022-11-02 20:36:55,266 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:55,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:36:55,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-02 20:36:55,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-02 20:36:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-02 20:36:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-02 20:36:55,287 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 26 [2022-11-02 20:36:55,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:55,288 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-02 20:36:55,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-02 20:36:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-02 20:36:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:36:55,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:55,294 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] [2022-11-02 20:36:55,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:36:55,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:55,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash -685495437, now seen corresponding path program 1 times [2022-11-02 20:36:55,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:55,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725453584] [2022-11-02 20:36:55,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:55,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:36:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:55,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:55,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725453584] [2022-11-02 20:36:55,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725453584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:55,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:55,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:36:55,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496134689] [2022-11-02 20:36:55,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:55,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:36:55,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:55,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:36:55,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:36:55,507 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-02 20:36:55,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:55,622 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2022-11-02 20:36:55,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:36:55,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-11-02 20:36:55,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:55,626 INFO L225 Difference]: With dead ends: 108 [2022-11-02 20:36:55,628 INFO L226 Difference]: Without dead ends: 58 [2022-11-02 20:36:55,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:55,633 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 100 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:55,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 164 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:36:55,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-02 20:36:55,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-02 20:36:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-02 20:36:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-11-02 20:36:55,663 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 31 [2022-11-02 20:36:55,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:55,664 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-11-02 20:36:55,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-02 20:36:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-02 20:36:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 20:36:55,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:55,670 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] [2022-11-02 20:36:55,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:36:55,671 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:55,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:55,673 INFO L85 PathProgramCache]: Analyzing trace with hash 524103073, now seen corresponding path program 1 times [2022-11-02 20:36:55,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:55,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583797633] [2022-11-02 20:36:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:55,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:55,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:36:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:36:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:55,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:55,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583797633] [2022-11-02 20:36:55,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583797633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:55,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:55,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:36:55,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641523715] [2022-11-02 20:36:55,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:55,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:36:55,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:55,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:36:55,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:36:55,880 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-11-02 20:36:56,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:56,092 INFO L93 Difference]: Finished difference Result 156 states and 200 transitions. [2022-11-02 20:36:56,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:36:56,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 36 [2022-11-02 20:36:56,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:56,099 INFO L225 Difference]: With dead ends: 156 [2022-11-02 20:36:56,099 INFO L226 Difference]: Without dead ends: 106 [2022-11-02 20:36:56,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:36:56,102 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 41 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:56,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 340 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:36:56,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-02 20:36:56,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2022-11-02 20:36:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.3) internal successors, (104), 89 states have internal predecessors, (104), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2022-11-02 20:36:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 129 transitions. [2022-11-02 20:36:56,145 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 129 transitions. Word has length 36 [2022-11-02 20:36:56,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:56,146 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 129 transitions. [2022-11-02 20:36:56,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-11-02 20:36:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2022-11-02 20:36:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-02 20:36:56,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:56,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:56,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:36:56,149 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:56,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:56,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2034426723, now seen corresponding path program 1 times [2022-11-02 20:36:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:56,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332470161] [2022-11-02 20:36:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:36:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:36:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:36:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:56,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:56,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332470161] [2022-11-02 20:36:56,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332470161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:56,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:56,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:36:56,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163440835] [2022-11-02 20:36:56,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:56,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:36:56,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:56,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:36:56,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:36:56,332 INFO L87 Difference]: Start difference. First operand 103 states and 129 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-11-02 20:36:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:56,483 INFO L93 Difference]: Finished difference Result 180 states and 226 transitions. [2022-11-02 20:36:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:36:56,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 40 [2022-11-02 20:36:56,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:56,485 INFO L225 Difference]: With dead ends: 180 [2022-11-02 20:36:56,485 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:36:56,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:36:56,488 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 45 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:56,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 123 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:36:56,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:36:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:36:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:36:56,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-02 20:36:56,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:56,492 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:36:56,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-11-02 20:36:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:36:56,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:36:56,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:36:56,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:36:56,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:36:57,221 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 730 736) no Hoare annotation was computed. [2022-11-02 20:36:57,221 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 730 736) the Hoare annotation is: true [2022-11-02 20:36:57,222 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 262 273) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,222 INFO L899 garLoopResultBuilder]: For program point L266-1(lines 262 273) no Hoare annotation was computed. [2022-11-02 20:36:57,222 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 262 273) no Hoare annotation was computed. [2022-11-02 20:36:57,223 INFO L895 garLoopResultBuilder]: At program point L320(lines 315 323) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,223 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2022-11-02 20:36:57,223 INFO L895 garLoopResultBuilder]: At program point L242-2(lines 238 249) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,223 INFO L899 garLoopResultBuilder]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2022-11-02 20:36:57,223 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 754) no Hoare annotation was computed. [2022-11-02 20:36:57,224 INFO L895 garLoopResultBuilder]: At program point L106(line 106) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,224 INFO L899 garLoopResultBuilder]: For program point L106-1(line 106) no Hoare annotation was computed. [2022-11-02 20:36:57,224 INFO L899 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2022-11-02 20:36:57,224 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 706 729) no Hoare annotation was computed. [2022-11-02 20:36:57,224 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 759) no Hoare annotation was computed. [2022-11-02 20:36:57,225 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2022-11-02 20:36:57,225 INFO L899 garLoopResultBuilder]: For program point L862-2(lines 862 866) no Hoare annotation was computed. [2022-11-02 20:36:57,225 INFO L895 garLoopResultBuilder]: At program point L813(lines 808 816) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0)) .cse1))) [2022-11-02 20:36:57,225 INFO L895 garLoopResultBuilder]: At program point L330(lines 325 332) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,226 INFO L899 garLoopResultBuilder]: For program point L710-1(lines 709 728) no Hoare annotation was computed. [2022-11-02 20:36:57,226 INFO L895 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,227 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 122) no Hoare annotation was computed. [2022-11-02 20:36:57,227 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 125) no Hoare annotation was computed. [2022-11-02 20:36:57,227 INFO L895 garLoopResultBuilder]: At program point L108-1(lines 100 128) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0) .cse1))) [2022-11-02 20:36:57,227 INFO L895 garLoopResultBuilder]: At program point L868(lines 853 871) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,228 INFO L895 garLoopResultBuilder]: At program point L794(lines 789 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,228 INFO L895 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,228 INFO L895 garLoopResultBuilder]: At program point L757-1(lines 738 762) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,229 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-11-02 20:36:57,229 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 706 729) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-02 20:36:57,229 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 706 729) no Hoare annotation was computed. [2022-11-02 20:36:57,229 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 329) no Hoare annotation was computed. [2022-11-02 20:36:57,239 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 132 161) no Hoare annotation was computed. [2022-11-02 20:36:57,240 INFO L902 garLoopResultBuilder]: At program point L157(lines 132 161) the Hoare annotation is: true [2022-11-02 20:36:57,240 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 132 161) the Hoare annotation is: true [2022-11-02 20:36:57,240 INFO L899 garLoopResultBuilder]: For program point L153(line 153) no Hoare annotation was computed. [2022-11-02 20:36:57,240 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 150) no Hoare annotation was computed. [2022-11-02 20:36:57,241 INFO L902 garLoopResultBuilder]: At program point L146-1(lines 146 150) the Hoare annotation is: true [2022-11-02 20:36:57,241 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-11-02 20:36:57,241 INFO L902 garLoopResultBuilder]: At program point L142-2(lines 142 156) the Hoare annotation is: true [2022-11-02 20:36:57,241 INFO L902 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: true [2022-11-02 20:36:57,242 INFO L899 garLoopResultBuilder]: For program point L138-1(line 138) no Hoare annotation was computed. [2022-11-02 20:36:57,242 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 274 282) the Hoare annotation is: true [2022-11-02 20:36:57,242 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 274 282) no Hoare annotation was computed. [2022-11-02 20:36:57,242 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 274 282) no Hoare annotation was computed. [2022-11-02 20:36:57,243 INFO L895 garLoopResultBuilder]: At program point L97(lines 92 99) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,243 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 917) no Hoare annotation was computed. [2022-11-02 20:36:57,243 INFO L899 garLoopResultBuilder]: For program point L911-1(lines 911 917) no Hoare annotation was computed. [2022-11-02 20:36:57,244 INFO L902 garLoopResultBuilder]: At program point L205(lines 197 207) the Hoare annotation is: true [2022-11-02 20:36:57,244 INFO L895 garLoopResultBuilder]: At program point L936(lines 891 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,244 INFO L895 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,245 INFO L895 garLoopResultBuilder]: At program point L193(lines 189 195) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,245 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:36:57,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:36:57,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:36:57,246 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 225) no Hoare annotation was computed. [2022-11-02 20:36:57,246 INFO L899 garLoopResultBuilder]: For program point L218-2(lines 218 225) no Hoare annotation was computed. [2022-11-02 20:36:57,246 INFO L902 garLoopResultBuilder]: At program point L227(lines 208 230) the Hoare annotation is: true [2022-11-02 20:36:57,246 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2022-11-02 20:36:57,247 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:36:57,247 INFO L895 garLoopResultBuilder]: At program point L929-2(lines 921 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,247 INFO L899 garLoopResultBuilder]: For program point L892(lines 891 938) no Hoare annotation was computed. [2022-11-02 20:36:57,247 INFO L899 garLoopResultBuilder]: For program point L921(lines 921 934) no Hoare annotation was computed. [2022-11-02 20:36:57,248 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,248 INFO L895 garLoopResultBuilder]: At program point L913(line 913) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,248 INFO L902 garLoopResultBuilder]: At program point L942(lines 881 946) the Hoare annotation is: true [2022-11-02 20:36:57,249 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,249 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2022-11-02 20:36:57,249 INFO L899 garLoopResultBuilder]: For program point L901-1(lines 901 907) no Hoare annotation was computed. [2022-11-02 20:36:57,249 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2022-11-02 20:36:57,250 INFO L895 garLoopResultBuilder]: At program point L877(lines 872 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,250 INFO L895 garLoopResultBuilder]: At program point L939(lines 890 940) the Hoare annotation is: false [2022-11-02 20:36:57,250 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:36:57,250 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 250 261) no Hoare annotation was computed. [2022-11-02 20:36:57,251 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 250 261) no Hoare annotation was computed. [2022-11-02 20:36:57,251 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 250 261) the Hoare annotation is: true [2022-11-02 20:36:57,255 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:36:57,258 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:36:57,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:36:57 BoogieIcfgContainer [2022-11-02 20:36:57,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:36:57,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:36:57,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:36:57,282 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:36:57,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:54" (3/4) ... [2022-11-02 20:36:57,287 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:36:57,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:36:57,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:36:57,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:36:57,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:36:57,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:36:57,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:36:57,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-11-02 20:36:57,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:36:57,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:36:57,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:36:57,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:36:57,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:36:57,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:36:57,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-11-02 20:36:57,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:36:57,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:36:57,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:36:57,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-02 20:36:57,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-02 20:36:57,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:36:57,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) [2022-11-02 20:36:57,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) [2022-11-02 20:36:57,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-02 20:36:57,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-02 20:36:57,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-02 20:36:57,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-02 20:36:57,369 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:36:57,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:36:57,370 INFO L158 Benchmark]: Toolchain (without parser) took 4900.47ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 84.6MB in the beginning and 118.9MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:57,370 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:57,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.67ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 86.3MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:57,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.43ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:36:57,372 INFO L158 Benchmark]: Boogie Preprocessor took 47.53ms. Allocated memory is still 119.5MB. Free memory was 84.2MB in the beginning and 82.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:36:57,372 INFO L158 Benchmark]: RCFGBuilder took 893.53ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 65.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:36:57,372 INFO L158 Benchmark]: TraceAbstraction took 3100.73ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 64.7MB in the beginning and 124.2MB in the end (delta: -59.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-11-02 20:36:57,373 INFO L158 Benchmark]: Witness Printer took 87.50ms. Allocated memory is still 153.1MB. Free memory was 124.2MB in the beginning and 118.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:36:57,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.67ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 86.3MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.43ms. Allocated memory is still 119.5MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.53ms. Allocated memory is still 119.5MB. Free memory was 84.2MB in the beginning and 82.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.53ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 65.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3100.73ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 64.7MB in the beginning and 124.2MB in the end (delta: -59.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 87.50ms. Allocated memory is still 153.1MB. Free memory was 124.2MB in the beginning and 118.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 329]: 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 7 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 848 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 353 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 35 LocationsWithAnnotation, 192 PreInvPairs, 216 NumberOfFragments, 325 HoareAnnotationTreeSize, 192 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 35 FomulaSimplificationsInter, 485 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:36:57,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc38e1b-9ac7-4da7-ac5c-deb651814da7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE