./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y --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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:07:49,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:07:49,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:07:49,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:07:49,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:07:49,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:07:49,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:07:49,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:07:49,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:07:49,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:07:49,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:07:49,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:07:49,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:07:49,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:07:49,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:07:49,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:07:49,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:07:49,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:07:49,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:07:49,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:07:49,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:07:49,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:07:49,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:07:49,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:07:49,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:07:49,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:07:49,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:07:49,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:07:49,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:07:49,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:07:49,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:07:49,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:07:49,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:07:49,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:07:49,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:07:49,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:07:49,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:07:49,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:07:49,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:07:49,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:07:49,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:07:49,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:07:49,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:07:49,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:07:49,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:07:49,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:07:49,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:07:49,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:07:49,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:07:49,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:07:49,577 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:07:49,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:07:49,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:07:49,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:07:49,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:07:49,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:07:49,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:07:49,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:07:49,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:07:49,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:07:49,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:07:49,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:07:49,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:07:49,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:07:49,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:07:49,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:07:49,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:07:49,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:07:49,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:07:49,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:07:49,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:07:49,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:07:49,585 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:07:49,586 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:07:49,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:07:49,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:07:49,586 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_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2021-11-13 18:07:49,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:07:49,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:07:49,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:07:49,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:07:49,920 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:07:49,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-11-13 18:07:50,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/c9b3672a5/c7ed548664c64e19abaf3bdb76ef2c37/FLAG061165d7f [2021-11-13 18:07:50,524 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:07:50,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-11-13 18:07:50,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/c9b3672a5/c7ed548664c64e19abaf3bdb76ef2c37/FLAG061165d7f [2021-11-13 18:07:50,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/data/c9b3672a5/c7ed548664c64e19abaf3bdb76ef2c37 [2021-11-13 18:07:50,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:07:50,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:07:50,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:07:50,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:07:50,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:07:50,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:07:50" (1/1) ... [2021-11-13 18:07:50,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe564aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:50, skipping insertion in model container [2021-11-13 18:07:50,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:07:50" (1/1) ... [2021-11-13 18:07:50,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:07:50,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:07:51,238 WARN L228 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_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2021-11-13 18:07:51,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:07:51,261 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:07:51,352 WARN L228 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_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2021-11-13 18:07:51,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:07:51,380 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:07:51,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51 WrapperNode [2021-11-13 18:07:51,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:07:51,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:07:51,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:07:51,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:07:51,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:07:51,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:07:51,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:07:51,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:07:51,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:07:51,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:07:51,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:07:51,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:07:51,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (1/1) ... [2021-11-13 18:07:51,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:07:51,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:07:51,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:07:51,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:07:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:07:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-13 18:07:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-13 18:07:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-13 18:07:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-13 18:07:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-13 18:07:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-13 18:07:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-13 18:07:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-13 18:07:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-13 18:07:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-13 18:07:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-13 18:07:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-13 18:07:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-13 18:07:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-13 18:07:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:07:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-13 18:07:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-13 18:07:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:07:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:07:52,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:07:52,415 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:07:52,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:52 BoogieIcfgContainer [2021-11-13 18:07:52,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:07:52,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:07:52,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:07:52,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:07:52,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:07:50" (1/3) ... [2021-11-13 18:07:52,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725a3ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:52, skipping insertion in model container [2021-11-13 18:07:52,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:07:51" (2/3) ... [2021-11-13 18:07:52,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725a3ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:07:52, skipping insertion in model container [2021-11-13 18:07:52,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:52" (3/3) ... [2021-11-13 18:07:52,428 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2021-11-13 18:07:52,435 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:07:52,435 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:07:52,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:07:52,517 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 [2021-11-13 18:07:52,517 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:07:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-13 18:07:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 18:07:52,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:52,561 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] [2021-11-13 18:07:52,565 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:52,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1705763640, now seen corresponding path program 1 times [2021-11-13 18:07:52,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:52,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394735053] [2021-11-13 18:07:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:52,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:52,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:07:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:52,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:52,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:52,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394735053] [2021-11-13 18:07:52,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394735053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:52,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:52,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:07:52,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349473397] [2021-11-13 18:07:52,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:52,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:07:52,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:53,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:07:53,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:07:53,040 INFO L87 Difference]: Start difference. First operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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) [2021-11-13 18:07:53,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:07:53,080 INFO L93 Difference]: Finished difference Result 179 states and 244 transitions. [2021-11-13 18:07:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:07:53,083 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 [2021-11-13 18:07:53,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:07:53,094 INFO L225 Difference]: With dead ends: 179 [2021-11-13 18:07:53,094 INFO L226 Difference]: Without dead ends: 85 [2021-11-13 18:07:53,099 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 [2021-11-13 18:07:53,103 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:07:53,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:07:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-13 18:07:53,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-13 18:07:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-13 18:07:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2021-11-13 18:07:53,160 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2021-11-13 18:07:53,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:07:53,160 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2021-11-13 18:07:53,161 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) [2021-11-13 18:07:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2021-11-13 18:07:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 18:07:53,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:53,165 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] [2021-11-13 18:07:53,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:07:53,165 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:53,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:53,166 INFO L85 PathProgramCache]: Analyzing trace with hash 153807758, now seen corresponding path program 1 times [2021-11-13 18:07:53,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:53,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43094840] [2021-11-13 18:07:53,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:53,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 18:07:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:53,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:53,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43094840] [2021-11-13 18:07:53,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43094840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:53,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:53,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:07:53,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747217307] [2021-11-13 18:07:53,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:53,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:07:53,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:53,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:07:53,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:07:53,344 INFO L87 Difference]: Start difference. First operand 85 states and 110 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) [2021-11-13 18:07:53,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:07:53,384 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2021-11-13 18:07:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:07:53,392 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 [2021-11-13 18:07:53,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:07:53,394 INFO L225 Difference]: With dead ends: 130 [2021-11-13 18:07:53,394 INFO L226 Difference]: Without dead ends: 76 [2021-11-13 18:07:53,395 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 [2021-11-13 18:07:53,397 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.70ms IncrementalHoareTripleChecker+Time [2021-11-13 18:07:53,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 6.23ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.70ms Time] [2021-11-13 18:07:53,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-13 18:07:53,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-13 18:07:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 18:07:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2021-11-13 18:07:53,419 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2021-11-13 18:07:53,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:07:53,423 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2021-11-13 18:07:53,424 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) [2021-11-13 18:07:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2021-11-13 18:07:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 18:07:53,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:53,428 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] [2021-11-13 18:07:53,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:07:53,428 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:53,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:53,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1290936219, now seen corresponding path program 1 times [2021-11-13 18:07:53,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:53,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946982648] [2021-11-13 18:07:53,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:53,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:07:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:53,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:53,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946982648] [2021-11-13 18:07:53,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946982648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:53,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:53,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:07:53,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520773570] [2021-11-13 18:07:53,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:53,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:07:53,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:53,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:07:53,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:07:53,530 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-11-13 18:07:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:07:53,609 INFO L93 Difference]: Finished difference Result 210 states and 277 transitions. [2021-11-13 18:07:53,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:07:53,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 [2021-11-13 18:07:53,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:07:53,615 INFO L225 Difference]: With dead ends: 210 [2021-11-13 18:07:53,615 INFO L226 Difference]: Without dead ends: 142 [2021-11-13 18:07:53,617 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 [2021-11-13 18:07:53,618 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 90 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.39ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.78ms IncrementalHoareTripleChecker+Time [2021-11-13 18:07:53,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 207 Invalid, 5 Unknown, 0 Unchecked, 2.39ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 41.78ms Time] [2021-11-13 18:07:53,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-13 18:07:53,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139. [2021-11-13 18:07:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 100 states have (on average 1.35) internal successors, (135), 115 states have internal predecessors, (135), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-13 18:07:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2021-11-13 18:07:53,665 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 31 [2021-11-13 18:07:53,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:07:53,665 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2021-11-13 18:07:53,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-11-13 18:07:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-11-13 18:07:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 18:07:53,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:53,668 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] [2021-11-13 18:07:53,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:07:53,669 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:53,670 INFO L85 PathProgramCache]: Analyzing trace with hash -917206296, now seen corresponding path program 1 times [2021-11-13 18:07:53,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:53,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596521592] [2021-11-13 18:07:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:53,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-13 18:07:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:53,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:53,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596521592] [2021-11-13 18:07:53,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596521592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:53,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:53,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:07:53,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962235029] [2021-11-13 18:07:53,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:53,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:07:53,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:53,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:07:53,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:07:53,794 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:07:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:07:53,989 INFO L93 Difference]: Finished difference Result 399 states and 534 transitions. [2021-11-13 18:07:53,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:07:53,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-11-13 18:07:53,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:07:53,994 INFO L225 Difference]: With dead ends: 399 [2021-11-13 18:07:53,995 INFO L226 Difference]: Without dead ends: 268 [2021-11-13 18:07:53,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:07:53,998 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 66 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.75ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 141.81ms IncrementalHoareTripleChecker+Time [2021-11-13 18:07:53,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 480 Invalid, 54 Unknown, 0 Unchecked, 4.75ms Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 141.81ms Time] [2021-11-13 18:07:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-13 18:07:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 262. [2021-11-13 18:07:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 185 states have (on average 1.335135135135135) internal successors, (247), 214 states have internal predecessors, (247), 48 states have call successors, (48), 28 states have call predecessors, (48), 28 states have return successors, (50), 30 states have call predecessors, (50), 48 states have call successors, (50) [2021-11-13 18:07:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 345 transitions. [2021-11-13 18:07:54,033 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 345 transitions. Word has length 34 [2021-11-13 18:07:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:07:54,033 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 345 transitions. [2021-11-13 18:07:54,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:07:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 345 transitions. [2021-11-13 18:07:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 18:07:54,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:07:54,037 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] [2021-11-13 18:07:54,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:07:54,037 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:07:54,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:54,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2070015524, now seen corresponding path program 1 times [2021-11-13 18:07:54,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:54,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398882217] [2021-11-13 18:07:54,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:54,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:07:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 18:07:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:54,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:54,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398882217] [2021-11-13 18:07:54,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398882217] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:54,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:54,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:07:54,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756283611] [2021-11-13 18:07:54,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:54,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:07:54,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:54,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:07:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:07:54,163 INFO L87 Difference]: Start difference. First operand 262 states and 345 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, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:07:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:07:54,385 INFO L93 Difference]: Finished difference Result 442 states and 579 transitions. [2021-11-13 18:07:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:07:54,392 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, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-11-13 18:07:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:07:54,393 INFO L225 Difference]: With dead ends: 442 [2021-11-13 18:07:54,393 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:07:54,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:07:54,405 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 55 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.44ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.74ms IncrementalHoareTripleChecker+Time [2021-11-13 18:07:54,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 147 Invalid, 91 Unknown, 0 Unchecked, 2.44ms Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 152.74ms Time] [2021-11-13 18:07:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:07:54,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:07:54,410 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) [2021-11-13 18:07:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:07:54,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-11-13 18:07:54,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:07:54,411 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:07:54,411 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, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:07:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:07:54,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:07:54,417 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:07:54,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:07:54,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 18:07:55,126 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 156 163) the Hoare annotation is: true [2021-11-13 18:07:55,127 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 156 163) no Hoare annotation was computed. [2021-11-13 18:07:55,127 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 156 163) no Hoare annotation was computed. [2021-11-13 18:07:55,127 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed. [2021-11-13 18:07:55,127 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true [2021-11-13 18:07:55,127 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 913 924) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-13 18:07:55,127 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 913 924) no Hoare annotation was computed. [2021-11-13 18:07:55,128 INFO L858 garLoopResultBuilder]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2021-11-13 18:07:55,128 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 740 769) no Hoare annotation was computed. [2021-11-13 18:07:55,128 INFO L861 garLoopResultBuilder]: At program point L765(lines 740 769) the Hoare annotation is: true [2021-11-13 18:07:55,128 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 740 769) the Hoare annotation is: true [2021-11-13 18:07:55,128 INFO L858 garLoopResultBuilder]: For program point L761(line 761) no Hoare annotation was computed. [2021-11-13 18:07:55,128 INFO L858 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2021-11-13 18:07:55,128 INFO L861 garLoopResultBuilder]: At program point L754-1(lines 754 758) the Hoare annotation is: true [2021-11-13 18:07:55,129 INFO L858 garLoopResultBuilder]: For program point L751(line 751) no Hoare annotation was computed. [2021-11-13 18:07:55,129 INFO L861 garLoopResultBuilder]: At program point L750-2(lines 750 764) the Hoare annotation is: true [2021-11-13 18:07:55,129 INFO L861 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: true [2021-11-13 18:07:55,129 INFO L858 garLoopResultBuilder]: For program point L746-1(line 746) no Hoare annotation was computed. [2021-11-13 18:07:55,129 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 925 933) the Hoare annotation is: true [2021-11-13 18:07:55,129 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 925 933) no Hoare annotation was computed. [2021-11-13 18:07:55,129 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 925 933) no Hoare annotation was computed. [2021-11-13 18:07:55,130 INFO L854 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:07:55,130 INFO L858 garLoopResultBuilder]: For program point L853-1(line 853) no Hoare annotation was computed. [2021-11-13 18:07:55,130 INFO L854 garLoopResultBuilder]: At program point L180(lines 175 183) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-11-13 18:07:55,130 INFO L854 garLoopResultBuilder]: At program point L882(lines 877 884) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,130 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 88) no Hoare annotation was computed. [2021-11-13 18:07:55,130 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 68 87) no Hoare annotation was computed. [2021-11-13 18:07:55,131 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2021-11-13 18:07:55,131 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2021-11-13 18:07:55,131 INFO L854 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,131 INFO L858 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2021-11-13 18:07:55,131 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 869) no Hoare annotation was computed. [2021-11-13 18:07:55,131 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 872) no Hoare annotation was computed. [2021-11-13 18:07:55,131 INFO L854 garLoopResultBuilder]: At program point L855-1(lines 847 875) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2021-11-13 18:07:55,132 INFO L854 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,132 INFO L854 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,132 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-11-13 18:07:55,132 INFO L858 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-11-13 18:07:55,132 INFO L854 garLoopResultBuilder]: At program point L893-2(lines 889 900) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,132 INFO L858 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2021-11-13 18:07:55,133 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 65 88) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:07:55,134 INFO L854 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:07:55,134 INFO L854 garLoopResultBuilder]: At program point L142-1(lines 123 147) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:07:55,134 INFO L854 garLoopResultBuilder]: At program point L171(lines 164 174) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,134 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2021-11-13 18:07:55,135 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed. [2021-11-13 18:07:55,135 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed. [2021-11-13 18:07:55,135 INFO L861 garLoopResultBuilder]: At program point L832(lines 813 835) the Hoare annotation is: true [2021-11-13 18:07:55,135 INFO L861 garLoopResultBuilder]: At program point L329(lines 266 333) the Hoare annotation is: true [2021-11-13 18:07:55,135 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed. [2021-11-13 18:07:55,136 INFO L858 garLoopResultBuilder]: For program point L296-1(lines 296 302) no Hoare annotation was computed. [2021-11-13 18:07:55,136 INFO L854 garLoopResultBuilder]: At program point L259(lines 254 261) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:07:55,136 INFO L854 garLoopResultBuilder]: At program point L288(line 288) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:07:55,136 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 18:07:55,136 INFO L854 garLoopResultBuilder]: At program point L734(lines 729 737) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:07:55,137 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 18:07:55,137 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 18:07:55,137 INFO L854 garLoopResultBuilder]: At program point L251(lines 239 253) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:07:55,137 INFO L854 garLoopResultBuilder]: At program point L726(lines 722 728) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:07:55,138 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2021-11-13 18:07:55,138 INFO L858 garLoopResultBuilder]: For program point L243-1(lines 243 249) no Hoare annotation was computed. [2021-11-13 18:07:55,138 INFO L854 garLoopResultBuilder]: At program point L326(lines 275 327) the Hoare annotation is: false [2021-11-13 18:07:55,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 18:07:55,138 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 320) no Hoare annotation was computed. [2021-11-13 18:07:55,139 INFO L854 garLoopResultBuilder]: At program point L314-2(lines 306 321) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:07:55,139 INFO L858 garLoopResultBuilder]: For program point L277(lines 276 325) no Hoare annotation was computed. [2021-11-13 18:07:55,139 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2021-11-13 18:07:55,139 INFO L854 garLoopResultBuilder]: At program point L719(lines 715 721) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:07:55,139 INFO L854 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:07:55,140 INFO L861 garLoopResultBuilder]: At program point L810(lines 802 812) the Hoare annotation is: true [2021-11-13 18:07:55,140 INFO L854 garLoopResultBuilder]: At program point L323(lines 276 325) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:07:55,140 INFO L854 garLoopResultBuilder]: At program point L798(lines 794 800) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:07:55,140 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 292) no Hoare annotation was computed. [2021-11-13 18:07:55,141 INFO L858 garLoopResultBuilder]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2021-11-13 18:07:55,141 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 830) no Hoare annotation was computed. [2021-11-13 18:07:55,141 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2021-11-13 18:07:55,141 INFO L854 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2021-11-13 18:07:55,141 INFO L858 garLoopResultBuilder]: For program point L823-2(lines 823 830) no Hoare annotation was computed. [2021-11-13 18:07:55,142 INFO L854 garLoopResultBuilder]: At program point L844(lines 839 846) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:07:55,142 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 901 912) no Hoare annotation was computed. [2021-11-13 18:07:55,142 INFO L858 garLoopResultBuilder]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2021-11-13 18:07:55,142 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 901 912) the Hoare annotation is: true [2021-11-13 18:07:55,142 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 97 121) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:07:55,143 INFO L854 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:07:55,143 INFO L858 garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed. [2021-11-13 18:07:55,143 INFO L854 garLoopResultBuilder]: At program point L971(lines 966 974) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,143 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 97 121) no Hoare annotation was computed. [2021-11-13 18:07:55,143 INFO L854 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,143 INFO L854 garLoopResultBuilder]: At program point L235(lines 220 238) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,144 INFO L854 garLoopResultBuilder]: At program point L107(line 107) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:07:55,144 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2021-11-13 18:07:55,144 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2021-11-13 18:07:55,144 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-11-13 18:07:55,144 INFO L858 garLoopResultBuilder]: For program point L229-2(lines 229 233) no Hoare annotation was computed. [2021-11-13 18:07:55,148 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:07:55,150 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:07:55,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:07:55 BoogieIcfgContainer [2021-11-13 18:07:55,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:07:55,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:07:55,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:07:55,171 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:07:55,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:07:52" (3/4) ... [2021-11-13 18:07:55,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:07:55,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-13 18:07:55,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-13 18:07:55,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-13 18:07:55,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-13 18:07:55,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-13 18:07:55,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-13 18:07:55,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-13 18:07:55,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-13 18:07:55,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-11-13 18:07:55,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-13 18:07:55,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-13 18:07:55,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 18:07:55,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 18:07:55,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:07:55,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:07:55,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:07:55,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-13 18:07:55,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2021-11-13 18:07:55,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:07:55,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-11-13 18:07:55,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:07:55,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:07:55,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:07:55,261 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:07:55,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:07:55,263 INFO L158 Benchmark]: Toolchain (without parser) took 4400.51ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 100.5MB in the beginning and 116.1MB in the end (delta: -15.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-11-13 18:07:55,263 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:07:55,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.98ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 103.6MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:07:55,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.61ms. Allocated memory is still 138.4MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:07:55,264 INFO L158 Benchmark]: Boogie Preprocessor took 51.78ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 99.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:07:55,265 INFO L158 Benchmark]: RCFGBuilder took 918.48ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 61.7MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-13 18:07:55,265 INFO L158 Benchmark]: TraceAbstraction took 2750.60ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 61.3MB in the beginning and 122.4MB in the end (delta: -61.1MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2021-11-13 18:07:55,266 INFO L158 Benchmark]: Witness Printer took 90.89ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 116.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:07:55,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory was 114.8MB in the beginning and 114.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.98ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 103.6MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.61ms. Allocated memory is still 138.4MB. Free memory was 103.6MB in the beginning and 101.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.78ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 99.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 918.48ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 61.7MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2750.60ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 61.3MB in the beginning and 122.4MB in the end (delta: -61.1MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Witness Printer took 90.89ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 116.1MB 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: 881]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 338.03ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 228 mSDsluCounter, 1125 SdHoareTripleChecker+Invalid, 282.07ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 628 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 497 mSDtfsCounter, 126 mSolverCounterSat, 17.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 444 PreInvPairs, 488 NumberOfFragments, 248 HoareAnnotationTreeSize, 444 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1321 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 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: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2021-11-13 18:07:55,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd5f992-668b-4dd6-9b8a-e6ecab2f1778/bin/uautomizer-YU5uOKAj3y/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