./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/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_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/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_7999be53-5f19-4098-acdf-76cc70d7143a/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 f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- 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 12:27:53,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:27:53,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:27:53,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:27:53,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:27:53,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:27:53,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:27:53,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:27:53,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:27:53,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:27:53,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:27:53,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:27:53,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:27:53,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:27:53,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:27:53,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:27:53,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:27:53,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:27:53,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:27:53,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:27:53,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:27:53,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:27:53,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:27:53,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:27:53,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:27:53,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:27:53,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:27:53,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:27:53,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:27:53,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:27:53,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:27:53,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:27:53,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:27:53,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:27:53,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:27:53,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:27:53,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:27:53,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:27:53,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:27:53,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:27:53,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:27:53,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:27:53,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:27:53,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:27:53,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:27:53,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:27:53,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:27:53,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:27:53,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:27:53,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:27:53,527 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:27:53,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:27:53,529 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:27:53,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:27:53,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:27:53,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:27:53,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:27:53,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:27:53,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:27:53,530 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:27:53,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:27:53,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:27:53,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:27:53,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:27:53,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:27:53,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:27:53,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:27:53,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:27:53,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:27:53,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:27:53,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:27:53,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:27:53,538 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:27:53,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:27:53,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:27:53,539 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_7999be53-5f19-4098-acdf-76cc70d7143a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2022-11-16 12:27:53,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:27:53,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:27:53,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:27:53,876 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:27:53,877 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:27:53,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2022-11-16 12:27:53,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/data/de8e9a9fc/ecd674989b8a4db7b646b8536a951f37/FLAGba9fb6250 [2022-11-16 12:27:54,404 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:27:54,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2022-11-16 12:27:54,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/data/de8e9a9fc/ecd674989b8a4db7b646b8536a951f37/FLAGba9fb6250 [2022-11-16 12:27:54,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/data/de8e9a9fc/ecd674989b8a4db7b646b8536a951f37 [2022-11-16 12:27:54,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:27:54,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:27:54,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:27:54,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:27:54,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:27:54,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:27:54" (1/1) ... [2022-11-16 12:27:54,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b3bc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:54, skipping insertion in model container [2022-11-16 12:27:54,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:27:54" (1/1) ... [2022-11-16 12:27:54,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:27:54,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:27:55,113 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_7999be53-5f19-4098-acdf-76cc70d7143a/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2022-11-16 12:27:55,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:27:55,255 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:27:55,295 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_7999be53-5f19-4098-acdf-76cc70d7143a/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2022-11-16 12:27:55,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:27:55,356 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:27:55,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55 WrapperNode [2022-11-16 12:27:55,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:27:55,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:27:55,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:27:55,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:27:55,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,411 INFO L138 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 198 [2022-11-16 12:27:55,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:27:55,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:27:55,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:27:55,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:27:55,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,434 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:27:55,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:27:55,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:27:55,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:27:55,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (1/1) ... [2022-11-16 12:27:55,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:27:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:27:55,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:27:55,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:27:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:27:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:27:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:27:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:27:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:27:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:27:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:27:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:27:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:27:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:27:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:27:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 12:27:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 12:27:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 12:27:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 12:27:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:27:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:27:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:27:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:27:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:27:55,615 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:27:55,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:27:55,899 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:27:55,907 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:27:55,907 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:27:55,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:55 BoogieIcfgContainer [2022-11-16 12:27:55,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:27:55,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:27:55,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:27:55,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:27:55,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:27:54" (1/3) ... [2022-11-16 12:27:55,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:27:55, skipping insertion in model container [2022-11-16 12:27:55,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:27:55" (2/3) ... [2022-11-16 12:27:55,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:27:55, skipping insertion in model container [2022-11-16 12:27:55,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:55" (3/3) ... [2022-11-16 12:27:55,919 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2022-11-16 12:27:55,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:27:55,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:27:56,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:27:56,028 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;@406ca465, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:27:56,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:27:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 61 states have (on average 1.360655737704918) internal successors, (83), 68 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 12:27:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 12:27:56,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:27:56,058 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 12:27:56,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:27:56,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2062279413, now seen corresponding path program 1 times [2022-11-16 12:27:56,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:56,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685788001] [2022-11-16 12:27:56,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:27:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:56,432 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 12:27:56,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:56,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685788001] [2022-11-16 12:27:56,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685788001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:56,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:56,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:27:56,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208320244] [2022-11-16 12:27:56,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:56,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:27:56,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:56,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:27:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:27:56,510 INFO L87 Difference]: Start difference. First operand has 84 states, 61 states have (on average 1.360655737704918) internal successors, (83), 68 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) 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 12:27:56,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:27:56,574 INFO L93 Difference]: Finished difference Result 160 states and 213 transitions. [2022-11-16 12:27:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:27:56,578 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 12:27:56,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:27:56,589 INFO L225 Difference]: With dead ends: 160 [2022-11-16 12:27:56,589 INFO L226 Difference]: Without dead ends: 75 [2022-11-16 12:27:56,593 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 12:27:56,597 INFO L413 NwaCegarLoop]: 103 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, 103 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 12:27:56,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:27:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-16 12:27:56,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-16 12:27:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 60 states have internal predecessors, (69), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 12:27:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2022-11-16 12:27:56,653 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 23 [2022-11-16 12:27:56,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:27:56,654 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2022-11-16 12:27:56,654 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 12:27:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2022-11-16 12:27:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 12:27:56,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:27:56,657 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 12:27:56,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:27:56,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:27:56,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash -834214636, now seen corresponding path program 1 times [2022-11-16 12:27:56,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:56,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181616733] [2022-11-16 12:27:56,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:56,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:27:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:56,849 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 12:27:56,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:56,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181616733] [2022-11-16 12:27:56,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181616733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:56,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:56,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:27:56,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067456210] [2022-11-16 12:27:56,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:56,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:27:56,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:56,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:27:56,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:27:56,854 INFO L87 Difference]: Start difference. First operand 75 states and 94 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 12:27:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:27:56,889 INFO L93 Difference]: Finished difference Result 111 states and 137 transitions. [2022-11-16 12:27:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:27:56,894 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 12:27:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:27:56,899 INFO L225 Difference]: With dead ends: 111 [2022-11-16 12:27:56,899 INFO L226 Difference]: Without dead ends: 66 [2022-11-16 12:27:56,900 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 12:27:56,901 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 140 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 12:27:56,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:27:56,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-16 12:27:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-16 12:27:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 54 states have internal predecessors, (62), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 12:27:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2022-11-16 12:27:56,915 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 24 [2022-11-16 12:27:56,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:27:56,918 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2022-11-16 12:27:56,918 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 12:27:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2022-11-16 12:27:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 12:27:56,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:27:56,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:27:56,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:27:56,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:27:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1796175137, now seen corresponding path program 1 times [2022-11-16 12:27:56,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:56,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569584996] [2022-11-16 12:27:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:27:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:57,052 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 12:27:57,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:57,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569584996] [2022-11-16 12:27:57,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569584996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:57,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:57,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:27:57,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368809947] [2022-11-16 12:27:57,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:57,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:27:57,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:27:57,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:27:57,058 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 12:27:57,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:27:57,143 INFO L93 Difference]: Finished difference Result 182 states and 231 transitions. [2022-11-16 12:27:57,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:27:57,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2022-11-16 12:27:57,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:27:57,146 INFO L225 Difference]: With dead ends: 182 [2022-11-16 12:27:57,146 INFO L226 Difference]: Without dead ends: 123 [2022-11-16 12:27:57,147 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 12:27:57,151 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 74 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:27:57,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 172 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:27:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-16 12:27:57,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2022-11-16 12:27:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 85 states have (on average 1.3176470588235294) internal successors, (112), 96 states have internal predecessors, (112), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-16 12:27:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 152 transitions. [2022-11-16 12:27:57,180 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 152 transitions. Word has length 29 [2022-11-16 12:27:57,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:27:57,181 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 152 transitions. [2022-11-16 12:27:57,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 12:27:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2022-11-16 12:27:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 12:27:57,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:27:57,183 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 12:27:57,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:27:57,183 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:27:57,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:57,184 INFO L85 PathProgramCache]: Analyzing trace with hash 806132433, now seen corresponding path program 1 times [2022-11-16 12:27:57,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:57,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205032674] [2022-11-16 12:27:57,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:57,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:27:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:57,366 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 12:27:57,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:57,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205032674] [2022-11-16 12:27:57,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205032674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:57,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:57,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:27:57,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040004490] [2022-11-16 12:27:57,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:57,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:27:57,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:57,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:27:57,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:27:57,371 INFO L87 Difference]: Start difference. First operand 120 states and 152 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 12:27:57,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:27:57,541 INFO L93 Difference]: Finished difference Result 346 states and 447 transitions. [2022-11-16 12:27:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:27:57,542 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 12:27:57,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:27:57,546 INFO L225 Difference]: With dead ends: 346 [2022-11-16 12:27:57,546 INFO L226 Difference]: Without dead ends: 233 [2022-11-16 12:27:57,547 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 12:27:57,549 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 54 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:27:57,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 397 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:27:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-16 12:27:57,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 227. [2022-11-16 12:27:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 179 states have internal predecessors, (206), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (42), 30 states have call predecessors, (42), 40 states have call successors, (42) [2022-11-16 12:27:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 288 transitions. [2022-11-16 12:27:57,611 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 288 transitions. Word has length 32 [2022-11-16 12:27:57,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:27:57,612 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 288 transitions. [2022-11-16 12:27:57,612 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 12:27:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 288 transitions. [2022-11-16 12:27:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 12:27:57,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:27:57,615 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 12:27:57,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:27:57,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:27:57,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:57,616 INFO L85 PathProgramCache]: Analyzing trace with hash -154829643, now seen corresponding path program 1 times [2022-11-16 12:27:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:57,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759171106] [2022-11-16 12:27:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:27:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:27:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:57,829 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 12:27:57,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:57,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759171106] [2022-11-16 12:27:57,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759171106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:57,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:57,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:27:57,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391399147] [2022-11-16 12:27:57,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:57,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:27:57,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:57,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:27:57,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:27:57,833 INFO L87 Difference]: Start difference. First operand 227 states and 288 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 12:27:57,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:27:57,978 INFO L93 Difference]: Finished difference Result 387 states and 494 transitions. [2022-11-16 12:27:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:27:57,979 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 12:27:57,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:27:57,980 INFO L225 Difference]: With dead ends: 387 [2022-11-16 12:27:57,980 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:27:57,982 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 12:27:57,983 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 51 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:27:57,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 111 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:27:57,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:27:57,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:27:57,984 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 12:27:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:27:57,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-16 12:27:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:27:57,985 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:27:57,985 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 12:27:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:27:57,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:27:57,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:27:57,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:27:57,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:27:58,504 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 765 772) the Hoare annotation is: true [2022-11-16 12:27:58,504 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2022-11-16 12:27:58,504 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2022-11-16 12:27:58,505 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 12:27:58,505 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-16 12:27:58,505 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-11-16 12:27:58,505 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:27:58,505 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:27:58,505 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:27:58,505 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2022-11-16 12:27:58,505 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2022-11-16 12:27:58,506 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:27:58,506 INFO L895 garLoopResultBuilder]: At program point L734-1(lines 715 739) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:27:58,506 INFO L899 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2022-11-16 12:27:58,506 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:27:58,506 INFO L899 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2022-11-16 12:27:58,506 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-11-16 12:27:58,506 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:27:58,507 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 694 700) no Hoare annotation was computed. [2022-11-16 12:27:58,507 INFO L895 garLoopResultBuilder]: At program point L789(lines 784 792) 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 12:27:58,507 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2022-11-16 12:27:58,507 INFO L895 garLoopResultBuilder]: At program point L306(lines 301 308) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 12:27:58,507 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2022-11-16 12:27:58,507 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2022-11-16 12:27:58,507 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 159) no Hoare annotation was computed. [2022-11-16 12:27:58,508 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 138 162) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 12:27:58,508 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 12:27:58,508 INFO L899 garLoopResultBuilder]: For program point L687-1(lines 686 705) no Hoare annotation was computed. [2022-11-16 12:27:58,508 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2022-11-16 12:27:58,508 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2022-11-16 12:27:58,508 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2022-11-16 12:27:58,509 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2022-11-16 12:27:58,509 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2022-11-16 12:27:58,509 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2022-11-16 12:27:58,509 INFO L902 garLoopResultBuilder]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2022-11-16 12:27:58,509 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-11-16 12:27:58,509 INFO L902 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2022-11-16 12:27:58,509 INFO L902 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: true [2022-11-16 12:27:58,509 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2022-11-16 12:27:58,510 INFO L902 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2022-11-16 12:27:58,510 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-11-16 12:27:58,510 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-11-16 12:27:58,510 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-11-16 12:27:58,510 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 869) no Hoare annotation was computed. [2022-11-16 12:27:58,510 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 294) no Hoare annotation was computed. [2022-11-16 12:27:58,510 INFO L899 garLoopResultBuilder]: For program point L287-2(lines 287 294) no Hoare annotation was computed. [2022-11-16 12:27:58,515 INFO L895 garLoopResultBuilder]: At program point L849(lines 844 851) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:27:58,515 INFO L895 garLoopResultBuilder]: At program point L841(lines 829 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:27:58,515 INFO L902 garLoopResultBuilder]: At program point L296(lines 277 299) the Hoare annotation is: true [2022-11-16 12:27:58,515 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 12:27:58,516 INFO L895 garLoopResultBuilder]: At program point L197(lines 192 200) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:27:58,516 INFO L899 garLoopResultBuilder]: For program point L833(lines 833 839) no Hoare annotation was computed. [2022-11-16 12:27:58,516 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 833 839) no Hoare annotation was computed. [2022-11-16 12:27:58,517 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:27:58,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:27:58,518 INFO L895 garLoopResultBuilder]: At program point L189(lines 185 191) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:27:58,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:27:58,518 INFO L902 garLoopResultBuilder]: At program point L916(lines 853 920) the Hoare annotation is: true [2022-11-16 12:27:58,519 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2022-11-16 12:27:58,519 INFO L899 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2022-11-16 12:27:58,519 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:27:58,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:27:58,520 INFO L895 garLoopResultBuilder]: At program point L182(lines 178 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:27:58,520 INFO L895 garLoopResultBuilder]: At program point L913(lines 862 914) the Hoare annotation is: false [2022-11-16 12:27:58,520 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2022-11-16 12:27:58,520 INFO L895 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: false [2022-11-16 12:27:58,520 INFO L895 garLoopResultBuilder]: At program point L901-2(lines 893 908) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:27:58,521 INFO L899 garLoopResultBuilder]: For program point L864(lines 863 912) no Hoare annotation was computed. [2022-11-16 12:27:58,521 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 908) no Hoare annotation was computed. [2022-11-16 12:27:58,521 INFO L895 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:27:58,521 INFO L902 garLoopResultBuilder]: At program point L274(lines 267 276) the Hoare annotation is: true [2022-11-16 12:27:58,521 INFO L895 garLoopResultBuilder]: At program point L910(lines 863 912) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:27:58,522 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2022-11-16 12:27:58,522 INFO L899 garLoopResultBuilder]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2022-11-16 12:27:58,522 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-16 12:27:58,522 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-11-16 12:27:58,523 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-11-16 12:27:58,523 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 707 713) no Hoare annotation was computed. [2022-11-16 12:27:58,523 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 707 713) the Hoare annotation is: true [2022-11-16 12:27:58,524 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 773 783) the Hoare annotation is: true [2022-11-16 12:27:58,524 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2022-11-16 12:27:58,525 INFO L902 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2022-11-16 12:27:58,525 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2022-11-16 12:27:58,525 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 773 783) no Hoare annotation was computed. [2022-11-16 12:27:58,529 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:27:58,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:27:58,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:27:58 BoogieIcfgContainer [2022-11-16 12:27:58,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:27:58,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:27:58,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:27:58,578 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:27:58,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:55" (3/4) ... [2022-11-16 12:27:58,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:27:58,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 12:27:58,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:27:58,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:27:58,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:27:58,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:27:58,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:27:58,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:27:58,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 12:27:58,606 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-16 12:27:58,607 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:27:58,607 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:27:58,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:27:58,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:27:58,614 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:27:58,614 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:27:58,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:27:58,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-16 12:27:58,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2022-11-16 12:27:58,647 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 12:27:58,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 12:27:58,687 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:27:58,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:27:58,689 INFO L158 Benchmark]: Toolchain (without parser) took 3928.56ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 75.4MB in the beginning and 119.9MB in the end (delta: -44.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:27:58,690 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:27:58,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.03ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 83.1MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:27:58,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.38ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:27:58,691 INFO L158 Benchmark]: Boogie Preprocessor took 26.19ms. Allocated memory is still 115.3MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:27:58,691 INFO L158 Benchmark]: RCFGBuilder took 471.00ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 62.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:27:58,692 INFO L158 Benchmark]: TraceAbstraction took 2665.01ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 61.7MB in the beginning and 125.1MB in the end (delta: -63.4MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-11-16 12:27:58,692 INFO L158 Benchmark]: Witness Printer took 110.28ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 119.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:27:58,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.03ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 83.1MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.38ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.19ms. Allocated memory is still 115.3MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.00ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 62.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2665.01ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 61.7MB in the beginning and 125.1MB in the end (delta: -63.4MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Witness Printer took 110.28ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 119.9MB in the end (delta: 5.2MB). 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: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 196 mSDsluCounter, 923 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 517 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 406 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 304 PreInvPairs, 348 NumberOfFragments, 204 HoareAnnotationTreeSize, 304 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 38 FomulaSimplificationsInter, 883 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 263 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: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-16 12:27:58,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7999be53-5f19-4098-acdf-76cc70d7143a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE