./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:05:49,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:05:49,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:05:49,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:05:49,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:05:49,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:05:49,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:05:49,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:05:49,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:05:49,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:05:49,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:05:49,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:05:49,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:05:49,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:05:49,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:05:49,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:05:49,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:05:49,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:05:49,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:05:49,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:05:49,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:05:49,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:05:49,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:05:49,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:05:49,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:05:49,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:05:49,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:05:49,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:05:49,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:05:49,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:05:49,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:05:49,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:05:49,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:05:49,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:05:49,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:05:49,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:05:49,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:05:49,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:05:49,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:05:49,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:05:49,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:05:49,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:05:49,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:05:49,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:05:49,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:05:49,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:05:49,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:05:49,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:05:49,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:05:49,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:05:49,409 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:05:49,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:05:49,410 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:05:49,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:05:49,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:05:49,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:05:49,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:05:49,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:05:49,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:05:49,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:05:49,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:05:49,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:05:49,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:05:49,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:05:49,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:05:49,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:05:49,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:05:49,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:05:49,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:05:49,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:05:49,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:05:49,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:05:49,418 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:05:49,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:05:49,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:05:49,420 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_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2022-11-16 12:05:49,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:05:49,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:05:49,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:05:49,876 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:05:49,877 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:05:49,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-11-16 12:05:49,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/data/6cb3db88c/8f892e4382b74dfa8667185cd22369b8/FLAG65736e056 [2022-11-16 12:05:50,642 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:05:50,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-11-16 12:05:50,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/data/6cb3db88c/8f892e4382b74dfa8667185cd22369b8/FLAG65736e056 [2022-11-16 12:05:50,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/data/6cb3db88c/8f892e4382b74dfa8667185cd22369b8 [2022-11-16 12:05:50,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:05:50,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:05:50,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:05:50,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:05:50,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:05:50,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:50" (1/1) ... [2022-11-16 12:05:50,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cff5437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:50, skipping insertion in model container [2022-11-16 12:05:50,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:50" (1/1) ... [2022-11-16 12:05:50,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:05:51,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:05:51,418 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2022-11-16 12:05:51,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:05:51,524 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:05:51,577 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2022-11-16 12:05:51,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:05:51,645 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:05:51,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51 WrapperNode [2022-11-16 12:05:51,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:05:51,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:05:51,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:05:51,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:05:51,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,726 INFO L138 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 227 [2022-11-16 12:05:51,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:05:51,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:05:51,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:05:51,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:05:51,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:05:51,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:05:51,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:05:51,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:05:51,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (1/1) ... [2022-11-16 12:05:51,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:05:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:05:51,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:05:51,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:05:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:05:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 12:05:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 12:05:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:05:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:05:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:05:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:05:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:05:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:05:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:05:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:05:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:05:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:05:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 12:05:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 12:05:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 12:05:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 12:05:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:05:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:05:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:05:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:05:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:05:51,977 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:05:51,980 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:05:52,331 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:05:52,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:05:52,349 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:05:52,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:52 BoogieIcfgContainer [2022-11-16 12:05:52,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:05:52,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:05:52,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:05:52,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:05:52,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:05:50" (1/3) ... [2022-11-16 12:05:52,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d13824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:52, skipping insertion in model container [2022-11-16 12:05:52,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51" (2/3) ... [2022-11-16 12:05:52,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d13824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:52, skipping insertion in model container [2022-11-16 12:05:52,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:52" (3/3) ... [2022-11-16 12:05:52,377 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2022-11-16 12:05:52,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:05:52,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:05:52,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:05:52,511 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;@70e41b92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:05:52,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:05:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 12:05:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:05:52,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:52,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:52,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:52,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:52,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1884287270, now seen corresponding path program 1 times [2022-11-16 12:05:52,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:52,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412194564] [2022-11-16 12:05:52,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:52,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:05:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:52,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:52,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412194564] [2022-11-16 12:05:52,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412194564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:52,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:52,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:05:52,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790953827] [2022-11-16 12:05:52,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:52,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:05:52,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:52,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:05:52,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:05:52,910 INFO L87 Difference]: Start difference. First operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:52,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:52,985 INFO L93 Difference]: Finished difference Result 182 states and 245 transitions. [2022-11-16 12:05:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:05:52,988 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-16 12:05:52,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:52,999 INFO L225 Difference]: With dead ends: 182 [2022-11-16 12:05:52,999 INFO L226 Difference]: Without dead ends: 86 [2022-11-16 12:05:53,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:05:53,010 INFO L413 NwaCegarLoop]: 119 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, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:53,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:05:53,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-16 12:05:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-16 12:05:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 69 states have internal predecessors, (79), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-16 12:05:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-11-16 12:05:53,078 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 23 [2022-11-16 12:05:53,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:53,078 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-11-16 12:05:53,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-11-16 12:05:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 12:05:53,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:53,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:53,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:05:53,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1079213532, now seen corresponding path program 1 times [2022-11-16 12:05:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:53,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849721976] [2022-11-16 12:05:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:05:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:53,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:53,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849721976] [2022-11-16 12:05:53,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849721976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:53,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:53,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:05:53,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517707990] [2022-11-16 12:05:53,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:53,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:05:53,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:53,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:05:53,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:05:53,316 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:53,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:53,369 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2022-11-16 12:05:53,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:05:53,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-16 12:05:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:53,374 INFO L225 Difference]: With dead ends: 134 [2022-11-16 12:05:53,374 INFO L226 Difference]: Without dead ends: 77 [2022-11-16 12:05:53,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:05:53,379 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:53,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:05:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-16 12:05:53,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-16 12:05:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 55 states have (on average 1.309090909090909) internal successors, (72), 63 states have internal predecessors, (72), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 12:05:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-11-16 12:05:53,400 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 24 [2022-11-16 12:05:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:53,401 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-11-16 12:05:53,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-11-16 12:05:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 12:05:53,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:53,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:53,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:05:53,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:53,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:53,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1082793814, now seen corresponding path program 1 times [2022-11-16 12:05:53,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:53,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242400482] [2022-11-16 12:05:53,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:05:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:53,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:53,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242400482] [2022-11-16 12:05:53,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242400482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:53,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:53,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:05:53,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192004357] [2022-11-16 12:05:53,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:53,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:05:53,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:53,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:05:53,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:05:53,593 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:53,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:53,974 INFO L93 Difference]: Finished difference Result 258 states and 335 transitions. [2022-11-16 12:05:53,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:05:53,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-16 12:05:53,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:53,979 INFO L225 Difference]: With dead ends: 258 [2022-11-16 12:05:53,979 INFO L226 Difference]: Without dead ends: 188 [2022-11-16 12:05:53,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:05:53,981 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 203 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:53,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 472 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:05:53,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-11-16 12:05:54,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2022-11-16 12:05:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 129 states have (on average 1.3410852713178294) internal successors, (173), 147 states have internal predecessors, (173), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2022-11-16 12:05:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 236 transitions. [2022-11-16 12:05:54,024 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 236 transitions. Word has length 28 [2022-11-16 12:05:54,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:54,025 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 236 transitions. [2022-11-16 12:05:54,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 236 transitions. [2022-11-16 12:05:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 12:05:54,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:54,027 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] [2022-11-16 12:05:54,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:05:54,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:54,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:54,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1451429620, now seen corresponding path program 1 times [2022-11-16 12:05:54,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:54,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177856796] [2022-11-16 12:05:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:54,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:05:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:54,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:54,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177856796] [2022-11-16 12:05:54,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177856796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:54,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:54,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:05:54,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615691947] [2022-11-16 12:05:54,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:54,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:05:54,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:54,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:05:54,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:05:54,187 INFO L87 Difference]: Start difference. First operand 182 states and 236 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:54,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:54,364 INFO L93 Difference]: Finished difference Result 533 states and 704 transitions. [2022-11-16 12:05:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:05:54,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-16 12:05:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:54,378 INFO L225 Difference]: With dead ends: 533 [2022-11-16 12:05:54,378 INFO L226 Difference]: Without dead ends: 358 [2022-11-16 12:05:54,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:05:54,390 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 70 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:54,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 483 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:05:54,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-11-16 12:05:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 349. [2022-11-16 12:05:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 244 states have (on average 1.3237704918032787) internal successors, (323), 279 states have internal predecessors, (323), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 42 states have call predecessors, (67), 62 states have call successors, (67) [2022-11-16 12:05:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 452 transitions. [2022-11-16 12:05:54,484 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 452 transitions. Word has length 32 [2022-11-16 12:05:54,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:54,485 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 452 transitions. [2022-11-16 12:05:54,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:05:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 452 transitions. [2022-11-16 12:05:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 12:05:54,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:54,492 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] [2022-11-16 12:05:54,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:05:54,493 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:54,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash -471125552, now seen corresponding path program 1 times [2022-11-16 12:05:54,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:54,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630791519] [2022-11-16 12:05:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:05:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:05:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:05:54,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:54,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630791519] [2022-11-16 12:05:54,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630791519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:54,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:54,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:05:54,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038474397] [2022-11-16 12:05:54,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:54,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:05:54,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:54,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:05:54,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:05:54,703 INFO L87 Difference]: Start difference. First operand 349 states and 452 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), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:05:54,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:54,882 INFO L93 Difference]: Finished difference Result 594 states and 776 transitions. [2022-11-16 12:05:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:05:54,883 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), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-16 12:05:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:54,883 INFO L225 Difference]: With dead ends: 594 [2022-11-16 12:05:54,884 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:05:54,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:05:54,886 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 56 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:54,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 107 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:05:54,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:05:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:05:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:05:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:05:54,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-16 12:05:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:54,889 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:05:54,890 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), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:05:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:05:54,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:05:54,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:05:54,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:05:54,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:05:55,890 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 425 432) the Hoare annotation is: true [2022-11-16 12:05:55,890 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 425 432) no Hoare annotation was computed. [2022-11-16 12:05:55,890 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 425 432) no Hoare annotation was computed. [2022-11-16 12:05:55,890 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 341 347) no Hoare annotation was computed. [2022-11-16 12:05:55,890 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 341 347) the Hoare annotation is: true [2022-11-16 12:05:55,891 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2022-11-16 12:05:55,891 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 185 196) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 12:05:55,891 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 185 196) no Hoare annotation was computed. [2022-11-16 12:05:55,891 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 197 205) the Hoare annotation is: true [2022-11-16 12:05:55,891 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 197 205) no Hoare annotation was computed. [2022-11-16 12:05:55,891 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 197 205) no Hoare annotation was computed. [2022-11-16 12:05:55,891 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 317 340) no Hoare annotation was computed. [2022-11-16 12:05:55,892 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-11-16 12:05:55,892 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 320 339) no Hoare annotation was computed. [2022-11-16 12:05:55,892 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 391) no Hoare annotation was computed. [2022-11-16 12:05:55,892 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 396) no Hoare annotation was computed. [2022-11-16 12:05:55,892 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2022-11-16 12:05:55,892 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 169) no Hoare annotation was computed. [2022-11-16 12:05:55,892 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 306) no Hoare annotation was computed. [2022-11-16 12:05:55,893 INFO L895 garLoopResultBuilder]: At program point L293-1(lines 285 309) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~1#1| 0) .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0)))) [2022-11-16 12:05:55,893 INFO L895 garLoopResultBuilder]: At program point L165-2(lines 161 172) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:05:55,893 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2022-11-16 12:05:55,893 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:05:55,893 INFO L895 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:05:55,893 INFO L895 garLoopResultBuilder]: At program point L381(line 381) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:05:55,893 INFO L899 garLoopResultBuilder]: For program point L381-1(line 381) no Hoare annotation was computed. [2022-11-16 12:05:55,893 INFO L895 garLoopResultBuilder]: At program point L596(lines 591 598) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:05:55,894 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 317 340) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:05:55,894 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 317 340) no Hoare annotation was computed. [2022-11-16 12:05:55,894 INFO L895 garLoopResultBuilder]: At program point L394(line 394) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 12:05:55,894 INFO L895 garLoopResultBuilder]: At program point L394-1(lines 375 399) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 12:05:55,894 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2022-11-16 12:05:55,894 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2022-11-16 12:05:55,894 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:05:55,895 INFO L899 garLoopResultBuilder]: For program point L291-1(line 291) no Hoare annotation was computed. [2022-11-16 12:05:55,895 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-16 12:05:55,895 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-16 12:05:55,895 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-16 12:05:55,895 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-16 12:05:55,895 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-16 12:05:55,895 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-16 12:05:55,895 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-16 12:05:55,895 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-16 12:05:55,896 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-16 12:05:55,896 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-16 12:05:55,896 INFO L899 garLoopResultBuilder]: For program point L535(lines 534 581) no Hoare annotation was computed. [2022-11-16 12:05:55,896 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 577) no Hoare annotation was computed. [2022-11-16 12:05:55,896 INFO L895 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:55,896 INFO L902 garLoopResultBuilder]: At program point L585(lines 524 589) the Hoare annotation is: true [2022-11-16 12:05:55,896 INFO L895 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:05:55,896 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2022-11-16 12:05:55,896 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:05:55,897 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2022-11-16 12:05:55,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:05:55,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:05:55,897 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2022-11-16 12:05:55,897 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-16 12:05:55,897 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-16 12:05:55,897 INFO L895 garLoopResultBuilder]: At program point L520(lines 508 522) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:55,897 INFO L895 garLoopResultBuilder]: At program point L582(lines 533 583) the Hoare annotation is: false [2022-11-16 12:05:55,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:05:55,898 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2022-11-16 12:05:55,900 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2022-11-16 12:05:55,901 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-16 12:05:55,901 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2022-11-16 12:05:55,901 INFO L895 garLoopResultBuilder]: At program point L570-2(lines 564 577) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:55,901 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-16 12:05:55,901 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 560) no Hoare annotation was computed. [2022-11-16 12:05:55,902 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 554 560) no Hoare annotation was computed. [2022-11-16 12:05:55,902 INFO L895 garLoopResultBuilder]: At program point L579(lines 534 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:55,903 INFO L895 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:05:55,903 INFO L895 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:05:55,903 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:05:55,903 INFO L895 garLoopResultBuilder]: At program point L270(lines 266 272) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:05:55,904 INFO L895 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: false [2022-11-16 12:05:55,904 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 173 184) no Hoare annotation was computed. [2022-11-16 12:05:55,904 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 173 184) no Hoare annotation was computed. [2022-11-16 12:05:55,904 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 173 184) the Hoare annotation is: true [2022-11-16 12:05:55,906 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 370) no Hoare annotation was computed. [2022-11-16 12:05:55,906 INFO L895 garLoopResultBuilder]: At program point L504(lines 489 507) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:05:55,906 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2022-11-16 12:05:55,906 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 502) no Hoare annotation was computed. [2022-11-16 12:05:55,906 INFO L895 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-16 12:05:55,907 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 349 373) no Hoare annotation was computed. [2022-11-16 12:05:55,907 INFO L895 garLoopResultBuilder]: At program point L243(lines 238 246) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:05:55,907 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 349 373) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-16 12:05:55,907 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 349 373) no Hoare annotation was computed. [2022-11-16 12:05:55,907 INFO L895 garLoopResultBuilder]: At program point L363(line 363) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:05:55,908 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:05:55,908 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 365) no Hoare annotation was computed. [2022-11-16 12:05:55,908 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 433 443) the Hoare annotation is: true [2022-11-16 12:05:55,909 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 433 443) no Hoare annotation was computed. [2022-11-16 12:05:55,913 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 433 443) no Hoare annotation was computed. [2022-11-16 12:05:55,913 INFO L902 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: true [2022-11-16 12:05:55,913 INFO L899 garLoopResultBuilder]: For program point L438-1(line 438) no Hoare annotation was computed. [2022-11-16 12:05:55,916 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:05:55,919 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:05:55,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:05:55 BoogieIcfgContainer [2022-11-16 12:05:55,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:05:55,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:05:55,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:05:55,956 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:05:55,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:52" (3/4) ... [2022-11-16 12:05:55,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:05:55,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 12:05:55,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 12:05:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:05:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:05:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:05:55,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:05:55,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:05:55,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:05:55,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 12:05:55,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-16 12:05:55,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:05:55,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:05:55,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:05:55,991 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:05:55,991 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:05:55,991 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:05:56,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:05:56,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:05:56,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:05:56,017 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-16 12:05:56,018 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2022-11-16 12:05:56,018 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-11-16 12:05:56,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-16 12:05:56,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:05:56,027 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-16 12:05:56,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:05:56,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:05:56,074 INFO L158 Benchmark]: Toolchain (without parser) took 5169.02ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 102.6MB in the end (delta: -33.9MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-11-16 12:05:56,075 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:05:56,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 736.56ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 75.7MB in the end (delta: -7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:05:56,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.47ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:05:56,076 INFO L158 Benchmark]: Boogie Preprocessor took 65.40ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:05:56,076 INFO L158 Benchmark]: RCFGBuilder took 556.37ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 53.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:05:56,077 INFO L158 Benchmark]: TraceAbstraction took 3601.28ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 52.6MB in the beginning and 109.0MB in the end (delta: -56.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-16 12:05:56,077 INFO L158 Benchmark]: Witness Printer took 117.80ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 102.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:05:56,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 736.56ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 75.7MB in the end (delta: -7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.47ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.40ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.37ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 53.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3601.28ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 52.6MB in the beginning and 109.0MB in the end (delta: -56.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 117.80ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 102.6MB 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: 595]: 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 10 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 353 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 1354 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 879 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 277 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 475 mSDtfsCounter, 277 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 517 PreInvPairs, 583 NumberOfFragments, 267 HoareAnnotationTreeSize, 517 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 1856 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:05:56,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f66fe7-87eb-45c2-9445-94e3824a7476/bin/uautomizer-tPACEb0tL8/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