./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa --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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:13:54,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:13:54,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:13:54,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:13:54,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:13:54,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:13:54,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:13:54,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:13:54,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:13:54,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:13:54,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:13:54,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:13:54,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:13:54,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:13:54,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:13:54,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:13:54,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:13:54,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:13:54,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:13:54,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:13:54,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:13:54,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:13:54,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:13:54,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:13:54,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:13:54,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:13:54,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:13:54,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:13:54,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:13:54,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:13:54,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:13:54,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:13:54,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:13:54,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:13:54,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:13:54,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:13:54,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:13:54,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:13:54,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:13:54,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:13:54,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:13:54,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:13:54,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:13:54,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:13:54,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:13:54,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:13:54,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:13:54,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:13:54,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:13:54,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:13:54,529 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:13:54,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:13:54,529 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:13:54,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:13:54,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:13:54,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:13:54,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:13:54,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:13:54,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:13:54,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:13:54,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:13:54,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:13:54,532 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_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2021-12-07 00:13:54,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:13:54,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:13:54,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:13:54,731 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:13:54,731 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:13:54,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-12-07 00:13:54,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/data/da547f9b1/85674aa14eae45879c99dbc101ec4bef/FLAG430f8b57e [2021-12-07 00:13:55,118 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:13:55,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-12-07 00:13:55,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/data/da547f9b1/85674aa14eae45879c99dbc101ec4bef/FLAG430f8b57e [2021-12-07 00:13:55,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/data/da547f9b1/85674aa14eae45879c99dbc101ec4bef [2021-12-07 00:13:55,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:13:55,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:13:55,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:13:55,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:13:55,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:13:55,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f25d13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55, skipping insertion in model container [2021-12-07 00:13:55,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:13:55,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:13:55,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-12-07 00:13:55,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:13:55,733 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:13:55,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-12-07 00:13:55,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:13:55,796 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:13:55,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55 WrapperNode [2021-12-07 00:13:55,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:13:55,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:13:55,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:13:55,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:13:55,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,833 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 203 [2021-12-07 00:13:55,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:13:55,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:13:55,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:13:55,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:13:55,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:13:55,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:13:55,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:13:55,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:13:55,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (1/1) ... [2021-12-07 00:13:55,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:13:55,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:13:55,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:13:55,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:13:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:13:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 00:13:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 00:13:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 00:13:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 00:13:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-07 00:13:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-07 00:13:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 00:13:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 00:13:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-07 00:13:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-07 00:13:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-07 00:13:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-07 00:13:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:13:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 00:13:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 00:13:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:13:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:13:55,961 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:13:55,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:13:56,159 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:13:56,166 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:13:56,166 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 00:13:56,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:13:56 BoogieIcfgContainer [2021-12-07 00:13:56,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:13:56,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:13:56,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:13:56,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:13:56,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:13:55" (1/3) ... [2021-12-07 00:13:56,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9acf11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:13:56, skipping insertion in model container [2021-12-07 00:13:56,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:13:55" (2/3) ... [2021-12-07 00:13:56,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9acf11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:13:56, skipping insertion in model container [2021-12-07 00:13:56,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:13:56" (3/3) ... [2021-12-07 00:13:56,175 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2021-12-07 00:13:56,178 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:13:56,179 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:13:56,213 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:13:56,218 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:13:56,218 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:13:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-07 00:13:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-07 00:13:56,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:56,237 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:13:56,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:56,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:56,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1328865407, now seen corresponding path program 1 times [2021-12-07 00:13:56,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:56,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404984848] [2021-12-07 00:13:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:56,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 00:13:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:13:56,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:56,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404984848] [2021-12-07 00:13:56,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404984848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:56,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:56,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:13:56,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451317875] [2021-12-07 00:13:56,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:56,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:13:56,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:56,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:13:56,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:13:56,446 INFO L87 Difference]: Start difference. First operand has 79 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:13:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:56,478 INFO L93 Difference]: Finished difference Result 149 states and 200 transitions. [2021-12-07 00:13:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:13:56,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-07 00:13:56,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:56,490 INFO L225 Difference]: With dead ends: 149 [2021-12-07 00:13:56,490 INFO L226 Difference]: Without dead ends: 70 [2021-12-07 00:13:56,494 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:13:56,498 INFO L933 BasicCegarLoop]: 97 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, 97 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 [2021-12-07 00:13:56,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:13:56,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-12-07 00:13:56,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-12-07 00:13:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 57 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-07 00:13:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2021-12-07 00:13:56,543 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 25 [2021-12-07 00:13:56,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:56,544 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2021-12-07 00:13:56,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:13:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2021-12-07 00:13:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-07 00:13:56,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:56,547 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:13:56,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:13:56,548 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:56,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash -347169703, now seen corresponding path program 1 times [2021-12-07 00:13:56,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:56,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154616385] [2021-12-07 00:13:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:56,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:13:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:13:56,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:56,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154616385] [2021-12-07 00:13:56,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154616385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:56,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:56,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:13:56,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042910058] [2021-12-07 00:13:56,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:56,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:13:56,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:56,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:13:56,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:13:56,623 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:13:56,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:56,633 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2021-12-07 00:13:56,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:13:56,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-07 00:13:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:56,635 INFO L225 Difference]: With dead ends: 104 [2021-12-07 00:13:56,635 INFO L226 Difference]: Without dead ends: 61 [2021-12-07 00:13:56,635 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:13:56,637 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 13 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 133 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 [2021-12-07 00:13:56,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 133 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:13:56,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-07 00:13:56,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-12-07 00:13:56,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-07 00:13:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2021-12-07 00:13:56,644 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 26 [2021-12-07 00:13:56,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:56,645 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2021-12-07 00:13:56,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:13:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2021-12-07 00:13:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-07 00:13:56,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:56,646 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:13:56,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:13:56,646 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:56,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:56,647 INFO L85 PathProgramCache]: Analyzing trace with hash -157411988, now seen corresponding path program 1 times [2021-12-07 00:13:56,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:56,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557682526] [2021-12-07 00:13:56,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:56,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:13:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:13:56,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:56,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557682526] [2021-12-07 00:13:56,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557682526] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:56,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:56,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:13:56,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62646300] [2021-12-07 00:13:56,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:56,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:13:56,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:56,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:13:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:13:56,715 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:13:56,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:56,784 INFO L93 Difference]: Finished difference Result 114 states and 145 transitions. [2021-12-07 00:13:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:13:56,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-07 00:13:56,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:56,786 INFO L225 Difference]: With dead ends: 114 [2021-12-07 00:13:56,786 INFO L226 Difference]: Without dead ends: 61 [2021-12-07 00:13:56,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:13:56,787 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 145 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:13:56,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 145 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:13:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-07 00:13:56,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-12-07 00:13:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 51 states have internal predecessors, (59), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-07 00:13:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2021-12-07 00:13:56,795 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 31 [2021-12-07 00:13:56,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:56,796 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2021-12-07 00:13:56,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:13:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2021-12-07 00:13:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-07 00:13:56,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:56,797 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:13:56,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:13:56,797 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:56,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1576700884, now seen corresponding path program 1 times [2021-12-07 00:13:56,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:56,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910106439] [2021-12-07 00:13:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:56,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:13:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:13:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:13:56,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:56,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910106439] [2021-12-07 00:13:56,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910106439] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:56,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:56,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:13:56,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440545253] [2021-12-07 00:13:56,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:56,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:13:56,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:13:56,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:13:56,864 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 00:13:56,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:56,927 INFO L93 Difference]: Finished difference Result 165 states and 209 transitions. [2021-12-07 00:13:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:13:56,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-12-07 00:13:56,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:56,929 INFO L225 Difference]: With dead ends: 165 [2021-12-07 00:13:56,929 INFO L226 Difference]: Without dead ends: 112 [2021-12-07 00:13:56,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:13:56,931 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 43 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:13:56,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 357 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:13:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-12-07 00:13:56,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2021-12-07 00:13:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 80 states have (on average 1.275) internal successors, (102), 89 states have internal predecessors, (102), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) [2021-12-07 00:13:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2021-12-07 00:13:56,945 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 36 [2021-12-07 00:13:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:56,946 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2021-12-07 00:13:56,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 00:13:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2021-12-07 00:13:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-07 00:13:56,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:56,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:13:56,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:13:56,948 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:56,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:56,948 INFO L85 PathProgramCache]: Analyzing trace with hash -862641624, now seen corresponding path program 1 times [2021-12-07 00:13:56,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:56,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965896071] [2021-12-07 00:13:56,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:56,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:13:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:13:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:13:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:13:57,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:57,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965896071] [2021-12-07 00:13:57,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965896071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:57,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:57,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:13:57,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406569812] [2021-12-07 00:13:57,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:57,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:13:57,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:57,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:13:57,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:13:57,014 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 00:13:57,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:57,076 INFO L93 Difference]: Finished difference Result 186 states and 232 transitions. [2021-12-07 00:13:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:13:57,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2021-12-07 00:13:57,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:57,076 INFO L225 Difference]: With dead ends: 186 [2021-12-07 00:13:57,076 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:13:57,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:13:57,079 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 45 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:13:57,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 133 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:13:57,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:13:57,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:13:57,080 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) [2021-12-07 00:13:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:13:57,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-12-07 00:13:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:57,080 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:13:57,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-07 00:13:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:13:57,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:13:57,082 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:13:57,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:13:57,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:13:57,332 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-07 00:13:57,332 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2021-12-07 00:13:57,332 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2021-12-07 00:13:57,332 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 816) no Hoare annotation was computed. [2021-12-07 00:13:57,332 INFO L854 garLoopResultBuilder]: At program point L300(line 300) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,333 INFO L858 garLoopResultBuilder]: For program point L300-1(line 300) no Hoare annotation was computed. [2021-12-07 00:13:57,333 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 763 786) no Hoare annotation was computed. [2021-12-07 00:13:57,333 INFO L858 garLoopResultBuilder]: For program point L767-1(lines 766 785) no Hoare annotation was computed. [2021-12-07 00:13:57,333 INFO L854 garLoopResultBuilder]: At program point L850(lines 845 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,333 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-07 00:13:57,333 INFO L854 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,333 INFO L854 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,333 INFO L858 garLoopResultBuilder]: For program point L801-1(line 801) no Hoare annotation was computed. [2021-12-07 00:13:57,333 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-12-07 00:13:57,333 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,333 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 316) no Hoare annotation was computed. [2021-12-07 00:13:57,333 INFO L854 garLoopResultBuilder]: At program point L814(line 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,334 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 319) no Hoare annotation was computed. [2021-12-07 00:13:57,334 INFO L854 garLoopResultBuilder]: At program point L814-1(lines 795 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,334 INFO L854 garLoopResultBuilder]: At program point L141(lines 136 143) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,334 INFO L854 garLoopResultBuilder]: At program point L302-1(lines 294 322) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-07 00:13:57,334 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-12-07 00:13:57,334 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 763 786) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 00:13:57,334 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 763 786) no Hoare annotation was computed. [2021-12-07 00:13:57,334 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-12-07 00:13:57,334 INFO L858 garLoopResultBuilder]: For program point L774-1(lines 774 780) no Hoare annotation was computed. [2021-12-07 00:13:57,334 INFO L854 garLoopResultBuilder]: At program point L869(lines 864 872) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-07 00:13:57,335 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 811) no Hoare annotation was computed. [2021-12-07 00:13:57,335 INFO L861 garLoopResultBuilder]: At program point L195-2(lines 195 209) the Hoare annotation is: true [2021-12-07 00:13:57,335 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 185 214) no Hoare annotation was computed. [2021-12-07 00:13:57,335 INFO L861 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: true [2021-12-07 00:13:57,335 INFO L858 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2021-12-07 00:13:57,335 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 185 214) the Hoare annotation is: true [2021-12-07 00:13:57,335 INFO L861 garLoopResultBuilder]: At program point L210(lines 185 214) the Hoare annotation is: true [2021-12-07 00:13:57,335 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-07 00:13:57,335 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2021-12-07 00:13:57,335 INFO L861 garLoopResultBuilder]: At program point L199-1(lines 199 203) the Hoare annotation is: true [2021-12-07 00:13:57,335 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-07 00:13:57,335 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L861 garLoopResultBuilder]: At program point L279(lines 260 282) the Hoare annotation is: true [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L854 garLoopResultBuilder]: At program point L746(lines 701 748) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 00:13:57,336 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L858 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2021-12-07 00:13:57,336 INFO L854 garLoopResultBuilder]: At program point L739-2(lines 731 744) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 00:13:57,337 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:13:57,337 INFO L858 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2021-12-07 00:13:57,337 INFO L858 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2021-12-07 00:13:57,337 INFO L854 garLoopResultBuilder]: At program point L244(lines 240 246) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-07 00:13:57,337 INFO L854 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 00:13:57,337 INFO L854 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-07 00:13:57,337 INFO L861 garLoopResultBuilder]: At program point L752(lines 691 756) the Hoare annotation is: true [2021-12-07 00:13:57,337 INFO L854 garLoopResultBuilder]: At program point L170(lines 166 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 00:13:57,337 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2021-12-07 00:13:57,337 INFO L858 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-12-07 00:13:57,337 INFO L861 garLoopResultBuilder]: At program point L257(lines 249 259) the Hoare annotation is: true [2021-12-07 00:13:57,338 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-12-07 00:13:57,338 INFO L854 garLoopResultBuilder]: At program point L914(lines 909 916) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 00:13:57,338 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 277) no Hoare annotation was computed. [2021-12-07 00:13:57,338 INFO L854 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2021-12-07 00:13:57,338 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2021-12-07 00:13:57,338 INFO L854 garLoopResultBuilder]: At program point L163(lines 159 165) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 00:13:57,338 INFO L854 garLoopResultBuilder]: At program point L291(lines 286 293) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-07 00:13:57,338 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2021-12-07 00:13:57,338 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2021-12-07 00:13:57,338 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2021-12-07 00:13:57,338 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 787 793) no Hoare annotation was computed. [2021-12-07 00:13:57,338 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 787 793) the Hoare annotation is: true [2021-12-07 00:13:57,339 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 853 863) the Hoare annotation is: true [2021-12-07 00:13:57,339 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 853 863) no Hoare annotation was computed. [2021-12-07 00:13:57,339 INFO L861 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: true [2021-12-07 00:13:57,339 INFO L858 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2021-12-07 00:13:57,339 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 853 863) no Hoare annotation was computed. [2021-12-07 00:13:57,341 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-07 00:13:57,342 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:13:57,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:13:57 BoogieIcfgContainer [2021-12-07 00:13:57,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:13:57,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:13:57,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:13:57,357 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:13:57,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:13:56" (3/4) ... [2021-12-07 00:13:57,360 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:13:57,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 00:13:57,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 00:13:57,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 00:13:57,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-07 00:13:57,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 00:13:57,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-07 00:13:57,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-07 00:13:57,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-07 00:13:57,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 00:13:57,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 00:13:57,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 00:13:57,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 00:13:57,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:13:57,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:13:57,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-12-07 00:13:57,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-12-07 00:13:57,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-12-07 00:13:57,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2021-12-07 00:13:57,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 00:13:57,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-12-07 00:13:57,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2021-12-07 00:13:57,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-12-07 00:13:57,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 00:13:57,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-07 00:13:57,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 00:13:57,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:13:57,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:13:57,408 INFO L158 Benchmark]: Toolchain (without parser) took 1905.37ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 58.7MB in the beginning and 54.2MB in the end (delta: 4.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-12-07 00:13:57,409 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:13:57,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.31ms. Allocated memory is still 100.7MB. Free memory was 58.5MB in the beginning and 65.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:13:57,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:13:57,410 INFO L158 Benchmark]: Boogie Preprocessor took 19.79ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 61.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:13:57,410 INFO L158 Benchmark]: RCFGBuilder took 314.29ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 46.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-07 00:13:57,410 INFO L158 Benchmark]: TraceAbstraction took 1186.84ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 46.3MB in the beginning and 60.5MB in the end (delta: -14.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-12-07 00:13:57,411 INFO L158 Benchmark]: Witness Printer took 50.70ms. Allocated memory is still 121.6MB. Free memory was 60.5MB in the beginning and 54.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:13:57,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.31ms. Allocated memory is still 100.7MB. Free memory was 58.5MB in the beginning and 65.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.79ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 61.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.29ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 46.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1186.84ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 46.3MB in the beginning and 60.5MB in the end (delta: -14.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 50.70ms. Allocated memory is still 121.6MB. Free memory was 60.5MB in the beginning and 54.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 140]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 253 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 865 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 498 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 367 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 199 PreInvPairs, 223 NumberOfFragments, 323 HoareAnnotationTreeSize, 199 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 517 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 325 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: 864]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-07 00:13:57,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d41b0c-6331-4438-938d-3ff856b7d841/bin/uautomizer-DrprNOufMa/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