./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:34:14,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:34:14,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:34:14,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:34:14,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:34:14,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:34:14,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:34:14,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:34:14,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:34:14,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:34:14,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:34:14,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:34:14,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:34:14,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:34:14,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:34:14,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:34:14,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:34:14,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:34:14,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:34:14,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:34:14,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:34:14,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:34:14,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:34:14,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:34:14,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:34:14,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:34:14,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:34:14,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:34:14,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:34:14,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:34:14,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:34:14,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:34:14,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:34:14,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:34:14,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:34:14,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:34:14,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:34:14,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:34:14,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:34:14,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:34:14,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:34:14,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:34:14,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:34:14,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:34:14,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:34:14,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:34:14,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:34:14,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:34:14,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:34:14,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:34:14,504 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:34:14,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:34:14,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:34:14,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:34:14,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:34:14,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:34:14,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:34:14,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:34:14,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:34:14,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:34:14,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:34:14,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:34:14,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:34:14,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:34:14,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:34:14,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:34:14,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:34:14,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:34:14,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:34:14,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:34:14,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:34:14,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:34:14,507 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:34:14,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:34:14,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:34:14,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:34:14,508 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_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 [2021-12-06 19:34:14,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:34:14,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:34:14,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:34:14,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:34:14,725 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:34:14,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-12-06 19:34:14,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/data/9acabd777/fa289cb0ed16461c9dfd379a5565b973/FLAGc5dcbb525 [2021-12-06 19:34:15,178 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:34:15,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-12-06 19:34:15,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/data/9acabd777/fa289cb0ed16461c9dfd379a5565b973/FLAGc5dcbb525 [2021-12-06 19:34:15,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/data/9acabd777/fa289cb0ed16461c9dfd379a5565b973 [2021-12-06 19:34:15,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:34:15,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:34:15,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:34:15,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:34:15,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:34:15,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58370dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15, skipping insertion in model container [2021-12-06 19:34:15,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:34:15,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:34:15,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2021-12-06 19:34:15,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:34:15,446 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:34:15,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2021-12-06 19:34:15,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:34:15,511 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:34:15,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15 WrapperNode [2021-12-06 19:34:15,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:34:15,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:34:15,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:34:15,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:34:15,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,571 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 259 [2021-12-06 19:34:15,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:34:15,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:34:15,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:34:15,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:34:15,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:34:15,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:34:15,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:34:15,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:34:15,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (1/1) ... [2021-12-06 19:34:15,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:34:15,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:34:15,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:34:15,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:34:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:34:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 19:34:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 19:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 19:34:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 19:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 19:34:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 19:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:34:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 19:34:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 19:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-06 19:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-06 19:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 19:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 19:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 19:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 19:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:34:15,709 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:34:15,711 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:34:15,915 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:34:15,921 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:34:15,921 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:34:15,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:34:15 BoogieIcfgContainer [2021-12-06 19:34:15,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:34:15,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:34:15,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:34:15,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:34:15,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:34:15" (1/3) ... [2021-12-06 19:34:15,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16da1b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:34:15, skipping insertion in model container [2021-12-06 19:34:15,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:34:15" (2/3) ... [2021-12-06 19:34:15,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16da1b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:34:15, skipping insertion in model container [2021-12-06 19:34:15,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:34:15" (3/3) ... [2021-12-06 19:34:15,929 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2021-12-06 19:34:15,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:34:15,932 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:34:15,968 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:34:15,973 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 19:34:15,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:34:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-06 19:34:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 19:34:15,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:15,994 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:15,995 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:15,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:15,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1244587252, now seen corresponding path program 1 times [2021-12-06 19:34:16,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:16,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931610204] [2021-12-06 19:34:16,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:16,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:34:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:34:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:34:16,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:16,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931610204] [2021-12-06 19:34:16,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931610204] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:16,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:16,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:34:16,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40315806] [2021-12-06 19:34:16,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:16,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:34:16,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:16,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:34:16,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:34:16,236 INFO L87 Difference]: Start difference. First operand has 97 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:34:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:16,271 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2021-12-06 19:34:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:34:16,273 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-06 19:34:16,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:16,282 INFO L225 Difference]: With dead ends: 185 [2021-12-06 19:34:16,283 INFO L226 Difference]: Without dead ends: 88 [2021-12-06 19:34:16,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:34:16,290 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:16,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:34:16,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-06 19:34:16,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-06 19:34:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.303030303030303) internal successors, (86), 74 states have internal predecessors, (86), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 19:34:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2021-12-06 19:34:16,324 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 32 [2021-12-06 19:34:16,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:16,325 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2021-12-06 19:34:16,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:34:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-12-06 19:34:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 19:34:16,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:16,327 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:16,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:34:16,328 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1577409017, now seen corresponding path program 1 times [2021-12-06 19:34:16,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:16,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842367499] [2021-12-06 19:34:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:16,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:34:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:34:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:34:16,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:16,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842367499] [2021-12-06 19:34:16,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842367499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:16,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:16,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:34:16,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287870673] [2021-12-06 19:34:16,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:16,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:34:16,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:16,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:34:16,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:34:16,389 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:34:16,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:16,402 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2021-12-06 19:34:16,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:34:16,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-06 19:34:16,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:16,404 INFO L225 Difference]: With dead ends: 137 [2021-12-06 19:34:16,404 INFO L226 Difference]: Without dead ends: 79 [2021-12-06 19:34:16,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:34:16,406 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:16,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:34:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-06 19:34:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-12-06 19:34:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 68 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 19:34:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-12-06 19:34:16,415 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 33 [2021-12-06 19:34:16,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:16,416 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-12-06 19:34:16,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:34:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-12-06 19:34:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-06 19:34:16,417 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:16,417 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:16,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:34:16,418 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:16,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:16,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1563484802, now seen corresponding path program 1 times [2021-12-06 19:34:16,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:16,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977359968] [2021-12-06 19:34:16,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:16,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 19:34:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 19:34:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:34:16,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:16,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977359968] [2021-12-06 19:34:16,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977359968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:16,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:16,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:34:16,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644113849] [2021-12-06 19:34:16,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:16,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:34:16,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:16,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:34:16,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:34:16,482 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:34:16,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:16,503 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2021-12-06 19:34:16,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:34:16,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-06 19:34:16,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:16,505 INFO L225 Difference]: With dead ends: 220 [2021-12-06 19:34:16,505 INFO L226 Difference]: Without dead ends: 149 [2021-12-06 19:34:16,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:34:16,507 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 76 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:16,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 214 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:34:16,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-12-06 19:34:16,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 146. [2021-12-06 19:34:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 124 states have internal predecessors, (146), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2021-12-06 19:34:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2021-12-06 19:34:16,526 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 37 [2021-12-06 19:34:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:16,526 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2021-12-06 19:34:16,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:34:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2021-12-06 19:34:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 19:34:16,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:16,528 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:16,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:34:16,528 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:16,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash 209384056, now seen corresponding path program 1 times [2021-12-06 19:34:16,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:16,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329685838] [2021-12-06 19:34:16,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:16,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 19:34:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 19:34:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:34:16,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:16,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329685838] [2021-12-06 19:34:16,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329685838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:16,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:16,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:34:16,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288648556] [2021-12-06 19:34:16,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:16,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:34:16,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:16,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:34:16,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:34:16,599 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:34:16,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:16,690 INFO L93 Difference]: Finished difference Result 386 states and 515 transitions. [2021-12-06 19:34:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:34:16,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-06 19:34:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:16,694 INFO L225 Difference]: With dead ends: 386 [2021-12-06 19:34:16,695 INFO L226 Difference]: Without dead ends: 248 [2021-12-06 19:34:16,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:34:16,698 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 49 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:16,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 483 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:34:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-12-06 19:34:16,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 235. [2021-12-06 19:34:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 176 states have (on average 1.2954545454545454) internal successors, (228), 191 states have internal predecessors, (228), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2021-12-06 19:34:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 300 transitions. [2021-12-06 19:34:16,727 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 300 transitions. Word has length 41 [2021-12-06 19:34:16,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:16,727 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 300 transitions. [2021-12-06 19:34:16,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:34:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 300 transitions. [2021-12-06 19:34:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 19:34:16,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:16,730 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:16,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:34:16,730 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:16,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:16,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1528927009, now seen corresponding path program 1 times [2021-12-06 19:34:16,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:16,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522768334] [2021-12-06 19:34:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:16,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 19:34:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 19:34:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:34:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:34:16,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:16,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522768334] [2021-12-06 19:34:16,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522768334] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:16,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:16,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:34:16,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486133976] [2021-12-06 19:34:16,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:16,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:34:16,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:16,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:34:16,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:34:16,788 INFO L87 Difference]: Start difference. First operand 235 states and 300 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:34:16,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:16,890 INFO L93 Difference]: Finished difference Result 522 states and 677 transitions. [2021-12-06 19:34:16,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:34:16,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-06 19:34:16,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:16,893 INFO L225 Difference]: With dead ends: 522 [2021-12-06 19:34:16,893 INFO L226 Difference]: Without dead ends: 295 [2021-12-06 19:34:16,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:34:16,895 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 65 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:16,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 394 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:34:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-12-06 19:34:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 287. [2021-12-06 19:34:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 218 states have (on average 1.275229357798165) internal successors, (278), 233 states have internal predecessors, (278), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2021-12-06 19:34:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 364 transitions. [2021-12-06 19:34:16,924 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 364 transitions. Word has length 51 [2021-12-06 19:34:16,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:16,924 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 364 transitions. [2021-12-06 19:34:16,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:34:16,924 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 364 transitions. [2021-12-06 19:34:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 19:34:16,926 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:16,926 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:16,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:34:16,926 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:16,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1077096545, now seen corresponding path program 1 times [2021-12-06 19:34:16,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:16,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468763099] [2021-12-06 19:34:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:16,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 19:34:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 19:34:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:34:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:34:16,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:16,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468763099] [2021-12-06 19:34:16,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468763099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:16,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:16,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:34:16,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532648884] [2021-12-06 19:34:16,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:16,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:34:16,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:16,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:34:16,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:34:16,991 INFO L87 Difference]: Start difference. First operand 287 states and 364 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 19:34:17,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:17,167 INFO L93 Difference]: Finished difference Result 596 states and 773 transitions. [2021-12-06 19:34:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 19:34:17,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2021-12-06 19:34:17,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:17,171 INFO L225 Difference]: With dead ends: 596 [2021-12-06 19:34:17,171 INFO L226 Difference]: Without dead ends: 317 [2021-12-06 19:34:17,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-06 19:34:17,173 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 213 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:17,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 452 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:34:17,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-12-06 19:34:17,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 291. [2021-12-06 19:34:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 222 states have (on average 1.2702702702702702) internal successors, (282), 237 states have internal predecessors, (282), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2021-12-06 19:34:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2021-12-06 19:34:17,200 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 51 [2021-12-06 19:34:17,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:17,200 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2021-12-06 19:34:17,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 19:34:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2021-12-06 19:34:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 19:34:17,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:17,203 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:17,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:34:17,203 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:17,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:17,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1499798371, now seen corresponding path program 1 times [2021-12-06 19:34:17,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:17,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082099627] [2021-12-06 19:34:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:17,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 19:34:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 19:34:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:34:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:34:17,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:17,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082099627] [2021-12-06 19:34:17,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082099627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:17,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:17,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:34:17,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187125788] [2021-12-06 19:34:17,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:17,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:34:17,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:17,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:34:17,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:34:17,263 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:34:17,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:17,431 INFO L93 Difference]: Finished difference Result 846 states and 1109 transitions. [2021-12-06 19:34:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:34:17,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-06 19:34:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:17,435 INFO L225 Difference]: With dead ends: 846 [2021-12-06 19:34:17,435 INFO L226 Difference]: Without dead ends: 563 [2021-12-06 19:34:17,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:34:17,437 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 219 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:17,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 338 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:34:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-12-06 19:34:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 556. [2021-12-06 19:34:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 421 states have (on average 1.2351543942992873) internal successors, (520), 445 states have internal predecessors, (520), 73 states have call successors, (73), 59 states have call predecessors, (73), 61 states have return successors, (111), 72 states have call predecessors, (111), 73 states have call successors, (111) [2021-12-06 19:34:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 704 transitions. [2021-12-06 19:34:17,483 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 704 transitions. Word has length 51 [2021-12-06 19:34:17,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:17,483 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 704 transitions. [2021-12-06 19:34:17,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:34:17,483 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 704 transitions. [2021-12-06 19:34:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-06 19:34:17,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:17,485 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:17,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:34:17,485 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:17,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:17,485 INFO L85 PathProgramCache]: Analyzing trace with hash -85847159, now seen corresponding path program 1 times [2021-12-06 19:34:17,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:17,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714926925] [2021-12-06 19:34:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:17,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:34:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 19:34:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 19:34:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:34:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:34:17,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:17,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714926925] [2021-12-06 19:34:17,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714926925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:17,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:17,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 19:34:17,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995779021] [2021-12-06 19:34:17,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:17,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:34:17,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:17,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:34:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:34:17,590 INFO L87 Difference]: Start difference. First operand 556 states and 704 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:34:18,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:18,213 INFO L93 Difference]: Finished difference Result 1787 states and 2374 transitions. [2021-12-06 19:34:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-06 19:34:18,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2021-12-06 19:34:18,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:18,220 INFO L225 Difference]: With dead ends: 1787 [2021-12-06 19:34:18,221 INFO L226 Difference]: Without dead ends: 1342 [2021-12-06 19:34:18,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2021-12-06 19:34:18,224 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 519 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:18,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 939 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 19:34:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2021-12-06 19:34:18,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1083. [2021-12-06 19:34:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 820 states have (on average 1.2317073170731707) internal successors, (1010), 873 states have internal predecessors, (1010), 142 states have call successors, (142), 104 states have call predecessors, (142), 120 states have return successors, (220), 140 states have call predecessors, (220), 142 states have call successors, (220) [2021-12-06 19:34:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1372 transitions. [2021-12-06 19:34:18,292 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1372 transitions. Word has length 55 [2021-12-06 19:34:18,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:18,292 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1372 transitions. [2021-12-06 19:34:18,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:34:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1372 transitions. [2021-12-06 19:34:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-06 19:34:18,295 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:18,295 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:18,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:34:18,296 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:18,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:18,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1602781584, now seen corresponding path program 1 times [2021-12-06 19:34:18,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:18,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363406681] [2021-12-06 19:34:18,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:18,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:34:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:34:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:34:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 19:34:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:34:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 19:34:18,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:18,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363406681] [2021-12-06 19:34:18,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363406681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:34:18,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:34:18,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:34:18,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855457735] [2021-12-06 19:34:18,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:34:18,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:34:18,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:18,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:34:18,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:34:18,373 INFO L87 Difference]: Start difference. First operand 1083 states and 1372 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-06 19:34:18,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:18,564 INFO L93 Difference]: Finished difference Result 1319 states and 1661 transitions. [2021-12-06 19:34:18,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 19:34:18,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 85 [2021-12-06 19:34:18,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:18,567 INFO L225 Difference]: With dead ends: 1319 [2021-12-06 19:34:18,567 INFO L226 Difference]: Without dead ends: 556 [2021-12-06 19:34:18,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:34:18,569 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 304 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:18,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 362 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:34:18,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2021-12-06 19:34:18,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 530. [2021-12-06 19:34:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 402 states have (on average 1.1965174129353233) internal successors, (481), 426 states have internal predecessors, (481), 68 states have call successors, (68), 51 states have call predecessors, (68), 59 states have return successors, (107), 68 states have call predecessors, (107), 68 states have call successors, (107) [2021-12-06 19:34:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 656 transitions. [2021-12-06 19:34:18,596 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 656 transitions. Word has length 85 [2021-12-06 19:34:18,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:18,596 INFO L470 AbstractCegarLoop]: Abstraction has 530 states and 656 transitions. [2021-12-06 19:34:18,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-06 19:34:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 656 transitions. [2021-12-06 19:34:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-06 19:34:18,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:18,598 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:18,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:34:18,598 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:18,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:18,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1627346287, now seen corresponding path program 1 times [2021-12-06 19:34:18,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:18,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426071848] [2021-12-06 19:34:18,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:18,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:34:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:34:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:34:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 19:34:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 19:34:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:34:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 19:34:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:34:18,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:18,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426071848] [2021-12-06 19:34:18,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426071848] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:34:18,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432758105] [2021-12-06 19:34:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:18,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:34:18,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:34:18,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:34:18,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:34:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:18,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:34:18,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:34:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:34:18,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:34:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:34:19,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432758105] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:34:19,137 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:34:19,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-06 19:34:19,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205202287] [2021-12-06 19:34:19,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:34:19,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 19:34:19,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:19,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 19:34:19,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:34:19,139 INFO L87 Difference]: Start difference. First operand 530 states and 656 transitions. Second operand has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-06 19:34:19,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:19,735 INFO L93 Difference]: Finished difference Result 1137 states and 1441 transitions. [2021-12-06 19:34:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-06 19:34:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) Word has length 94 [2021-12-06 19:34:19,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:19,739 INFO L225 Difference]: With dead ends: 1137 [2021-12-06 19:34:19,739 INFO L226 Difference]: Without dead ends: 663 [2021-12-06 19:34:19,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2021-12-06 19:34:19,743 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 457 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:19,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [460 Valid, 834 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 19:34:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2021-12-06 19:34:19,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 591. [2021-12-06 19:34:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 442 states have (on average 1.1787330316742082) internal successors, (521), 474 states have internal predecessors, (521), 78 states have call successors, (78), 65 states have call predecessors, (78), 70 states have return successors, (103), 73 states have call predecessors, (103), 78 states have call successors, (103) [2021-12-06 19:34:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 702 transitions. [2021-12-06 19:34:19,771 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 702 transitions. Word has length 94 [2021-12-06 19:34:19,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:19,772 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 702 transitions. [2021-12-06 19:34:19,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-06 19:34:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 702 transitions. [2021-12-06 19:34:19,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-06 19:34:19,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:19,774 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:19,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:34:19,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 19:34:19,975 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:19,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash -429186901, now seen corresponding path program 1 times [2021-12-06 19:34:19,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:19,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312417504] [2021-12-06 19:34:19,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:19,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:34:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:34:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:34:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:34:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:34:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:34:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:34:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:34:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 19:34:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 19:34:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-06 19:34:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-12-06 19:34:20,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:20,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312417504] [2021-12-06 19:34:20,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312417504] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:34:20,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835525467] [2021-12-06 19:34:20,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:20,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:34:20,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:34:20,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:34:20,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:34:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:20,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 19:34:20,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:34:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 134 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-06 19:34:20,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:34:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 77 proven. 39 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-06 19:34:20,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835525467] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:34:20,735 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:34:20,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 28 [2021-12-06 19:34:20,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136918920] [2021-12-06 19:34:20,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:34:20,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-06 19:34:20,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:20,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-06 19:34:20,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2021-12-06 19:34:20,737 INFO L87 Difference]: Start difference. First operand 591 states and 702 transitions. Second operand has 28 states, 28 states have (on average 7.107142857142857) internal successors, (199), 24 states have internal predecessors, (199), 10 states have call successors, (28), 8 states have call predecessors, (28), 10 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2021-12-06 19:34:21,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:21,802 INFO L93 Difference]: Finished difference Result 1690 states and 2090 transitions. [2021-12-06 19:34:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-06 19:34:21,803 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.107142857142857) internal successors, (199), 24 states have internal predecessors, (199), 10 states have call successors, (28), 8 states have call predecessors, (28), 10 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) Word has length 167 [2021-12-06 19:34:21,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:21,808 INFO L225 Difference]: With dead ends: 1690 [2021-12-06 19:34:21,808 INFO L226 Difference]: Without dead ends: 1107 [2021-12-06 19:34:21,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 360 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1054, Invalid=4202, Unknown=0, NotChecked=0, Total=5256 [2021-12-06 19:34:21,812 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 1652 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 618 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 618 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:21,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1652 Valid, 1163 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [618 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 19:34:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-12-06 19:34:21,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1035. [2021-12-06 19:34:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 784 states have (on average 1.1173469387755102) internal successors, (876), 826 states have internal predecessors, (876), 135 states have call successors, (135), 117 states have call predecessors, (135), 115 states have return successors, (158), 120 states have call predecessors, (158), 135 states have call successors, (158) [2021-12-06 19:34:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1169 transitions. [2021-12-06 19:34:21,857 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1169 transitions. Word has length 167 [2021-12-06 19:34:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:21,857 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1169 transitions. [2021-12-06 19:34:21,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.107142857142857) internal successors, (199), 24 states have internal predecessors, (199), 10 states have call successors, (28), 8 states have call predecessors, (28), 10 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2021-12-06 19:34:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1169 transitions. [2021-12-06 19:34:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-06 19:34:21,861 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:21,861 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:21,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:34:22,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:34:22,062 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:22,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:22,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1040622579, now seen corresponding path program 1 times [2021-12-06 19:34:22,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:22,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560015411] [2021-12-06 19:34:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:22,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:34:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:34:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:34:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:34:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:34:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:34:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 19:34:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 19:34:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 19:34:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:34:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 19:34:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-06 19:34:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 19:34:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-06 19:34:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:34:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 86 proven. 52 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-06 19:34:22,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:22,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560015411] [2021-12-06 19:34:22,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560015411] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:34:22,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257892593] [2021-12-06 19:34:22,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:22,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:34:22,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:34:22,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:34:22,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:34:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:22,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:34:22,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:34:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 175 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-06 19:34:22,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:34:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 99 proven. 53 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-06 19:34:22,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257892593] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:34:22,771 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:34:22,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2021-12-06 19:34:22,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604095795] [2021-12-06 19:34:22,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:34:22,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-06 19:34:22,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:22,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 19:34:22,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-12-06 19:34:22,773 INFO L87 Difference]: Start difference. First operand 1035 states and 1169 transitions. Second operand has 22 states, 22 states have (on average 10.0) internal successors, (220), 15 states have internal predecessors, (220), 7 states have call successors, (41), 8 states have call predecessors, (41), 11 states have return successors, (35), 10 states have call predecessors, (35), 7 states have call successors, (35) [2021-12-06 19:34:23,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:23,561 INFO L93 Difference]: Finished difference Result 2020 states and 2312 transitions. [2021-12-06 19:34:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 19:34:23,562 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.0) internal successors, (220), 15 states have internal predecessors, (220), 7 states have call successors, (41), 8 states have call predecessors, (41), 11 states have return successors, (35), 10 states have call predecessors, (35), 7 states have call successors, (35) Word has length 187 [2021-12-06 19:34:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:23,567 INFO L225 Difference]: With dead ends: 2020 [2021-12-06 19:34:23,567 INFO L226 Difference]: Without dead ends: 1089 [2021-12-06 19:34:23,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 411 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=483, Invalid=1869, Unknown=0, NotChecked=0, Total=2352 [2021-12-06 19:34:23,571 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 482 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:23,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [486 Valid, 565 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 19:34:23,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2021-12-06 19:34:23,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1033. [2021-12-06 19:34:23,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 784 states have (on average 1.1084183673469388) internal successors, (869), 824 states have internal predecessors, (869), 129 states have call successors, (129), 119 states have call predecessors, (129), 119 states have return successors, (152), 118 states have call predecessors, (152), 129 states have call successors, (152) [2021-12-06 19:34:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1150 transitions. [2021-12-06 19:34:23,625 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1150 transitions. Word has length 187 [2021-12-06 19:34:23,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:23,625 INFO L470 AbstractCegarLoop]: Abstraction has 1033 states and 1150 transitions. [2021-12-06 19:34:23,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.0) internal successors, (220), 15 states have internal predecessors, (220), 7 states have call successors, (41), 8 states have call predecessors, (41), 11 states have return successors, (35), 10 states have call predecessors, (35), 7 states have call successors, (35) [2021-12-06 19:34:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1150 transitions. [2021-12-06 19:34:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-06 19:34:23,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:34:23,629 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:23,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 19:34:23,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:34:23,830 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:34:23,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:34:23,831 INFO L85 PathProgramCache]: Analyzing trace with hash 535101390, now seen corresponding path program 1 times [2021-12-06 19:34:23,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:34:23,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413743030] [2021-12-06 19:34:23,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:23,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:34:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:34:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:23,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:34:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:34:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:34:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:34:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:34:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 19:34:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:34:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-06 19:34:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:34:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:34:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 19:34:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 19:34:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-06 19:34:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 19:34:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-06 19:34:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 86 proven. 43 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-06 19:34:24,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:34:24,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413743030] [2021-12-06 19:34:24,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413743030] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:34:24,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479642350] [2021-12-06 19:34:24,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:34:24,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:34:24,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:34:24,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:34:24,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 19:34:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:34:24,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 19:34:24,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:34:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 122 proven. 26 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-12-06 19:34:24,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:34:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 95 proven. 45 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-12-06 19:34:24,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479642350] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:34:24,767 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:34:24,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 13] total 23 [2021-12-06 19:34:24,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967646901] [2021-12-06 19:34:24,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:34:24,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-06 19:34:24,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:34:24,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-06 19:34:24,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2021-12-06 19:34:24,769 INFO L87 Difference]: Start difference. First operand 1033 states and 1150 transitions. Second operand has 23 states, 23 states have (on average 9.478260869565217) internal successors, (218), 19 states have internal predecessors, (218), 13 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (37), 13 states have call predecessors, (37), 13 states have call successors, (37) [2021-12-06 19:34:25,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:34:25,561 INFO L93 Difference]: Finished difference Result 1906 states and 2165 transitions. [2021-12-06 19:34:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-06 19:34:25,562 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.478260869565217) internal successors, (218), 19 states have internal predecessors, (218), 13 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (37), 13 states have call predecessors, (37), 13 states have call successors, (37) Word has length 188 [2021-12-06 19:34:25,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:34:25,563 INFO L225 Difference]: With dead ends: 1906 [2021-12-06 19:34:25,563 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:34:25,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=895, Invalid=2887, Unknown=0, NotChecked=0, Total=3782 [2021-12-06 19:34:25,568 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 861 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 19:34:25,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [864 Valid, 663 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 19:34:25,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:34:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:34:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:34:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:34:25,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2021-12-06 19:34:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:34:25,569 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:34:25,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.478260869565217) internal successors, (218), 19 states have internal predecessors, (218), 13 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (37), 13 states have call predecessors, (37), 13 states have call successors, (37) [2021-12-06 19:34:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:34:25,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:34:25,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:34:25,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 19:34:25,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 19:34:25,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:34:35,883 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 206 213) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (< 1 ~waterLevel~0)) .cse0 (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2021-12-06 19:34:35,883 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 206 213) no Hoare annotation was computed. [2021-12-06 19:34:35,883 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 206 213) no Hoare annotation was computed. [2021-12-06 19:34:35,883 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 139 145) no Hoare annotation was computed. [2021-12-06 19:34:35,883 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 139 145) the Hoare annotation is: true [2021-12-06 19:34:35,883 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 915 926) the Hoare annotation is: (let ((.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse3) (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:34:35,883 INFO L858 garLoopResultBuilder]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2021-12-06 19:34:35,883 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2021-12-06 19:34:35,883 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2021-12-06 19:34:35,884 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 306 335) no Hoare annotation was computed. [2021-12-06 19:34:35,884 INFO L861 garLoopResultBuilder]: At program point L320-1(lines 320 324) the Hoare annotation is: true [2021-12-06 19:34:35,884 INFO L858 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-12-06 19:34:35,884 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 306 335) the Hoare annotation is: true [2021-12-06 19:34:35,884 INFO L861 garLoopResultBuilder]: At program point L316-2(lines 316 330) the Hoare annotation is: true [2021-12-06 19:34:35,884 INFO L861 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2021-12-06 19:34:35,884 INFO L858 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2021-12-06 19:34:35,884 INFO L861 garLoopResultBuilder]: At program point L331(lines 306 335) the Hoare annotation is: true [2021-12-06 19:34:35,884 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-12-06 19:34:35,884 INFO L854 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2) (or .cse1 .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= 0 ~systemActive~0))))) [2021-12-06 19:34:35,884 INFO L854 garLoopResultBuilder]: At program point L192-1(lines 173 197) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse12 (= ~pumpRunning~0 0)) (.cse8 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse4 (not .cse14)) (.cse9 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (and .cse7 .cse12 .cse8 .cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse9 .cse10)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (<= ~waterLevel~0 0)) (.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 0)) .cse3) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) (= ~waterLevel~0 1)) (or .cse11 (and .cse12 .cse2) .cse0 .cse5 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse6 .cse7 .cse8 .cse13 .cse9 .cse10) .cse4 .cse3) (or .cse14 .cse0 .cse1 .cse15 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse14 .cse0 .cse1 .cse15 .cse5 (and .cse7 .cse12 .cse8 .cse13 .cse9 .cse10) .cse3) (or .cse11 (not (= 0 ~systemActive~0))))))) [2021-12-06 19:34:35,884 INFO L854 garLoopResultBuilder]: At program point L221(lines 214 224) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5) (not (<= |old(~waterLevel~0)| 0)) .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse5) .cse6) (or .cse7 .cse0 .cse8) (or .cse7 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse8) (or .cse0 .cse1 .cse8 (and .cse2 .cse3 .cse4 .cse5) (not (<= 2 |old(~waterLevel~0)|))))) [2021-12-06 19:34:35,885 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2021-12-06 19:34:35,885 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-12-06 19:34:35,885 INFO L854 garLoopResultBuilder]: At program point L490(lines 483 492) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 0 ~systemActive~0)))))) [2021-12-06 19:34:35,885 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 112 138) no Hoare annotation was computed. [2021-12-06 19:34:35,885 INFO L854 garLoopResultBuilder]: At program point L932(lines 927 935) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 (<= ~waterLevel~0 0) .cse4) .cse5) (or (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse0 .cse1 (not (<= |old(~waterLevel~0)| 0)) .cse5) (or .cse6 .cse0 (not (<= |old(~waterLevel~0)| 2))) (or .cse6 (not (= 0 ~systemActive~0))))) [2021-12-06 19:34:35,885 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 899) no Hoare annotation was computed. [2021-12-06 19:34:35,885 INFO L854 garLoopResultBuilder]: At program point L895-2(lines 891 902) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 0) .cse3) .cse4) (or (and .cse2 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse0 .cse1 (not (<= |old(~waterLevel~0)| 0)) .cse4) (or .cse6 .cse0 .cse5) (or .cse6 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5))) [2021-12-06 19:34:35,885 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 125) no Hoare annotation was computed. [2021-12-06 19:34:35,885 INFO L854 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (let ((.cse15 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse13 (= ~pumpRunning~0 0)) (.cse5 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse6 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse2 (not .cse15)) (.cse7 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse14 (= ~waterLevel~0 1)) (.cse16 (not (< 1 |old(~waterLevel~0)|))) (.cse19 (not (= 0 ~systemActive~0))) (.cse11 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (not (= |old(~pumpRunning~0)| 0))) (.cse21 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse20 (and .cse4 .cse13 .cse5 .cse6 .cse2 .cse7 (<= ~waterLevel~0 0) .cse8 .cse9 .cse10)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse17 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse11 .cse12) (or (and .cse4 .cse13 .cse5 .cse6 .cse7 .cse9 .cse14 .cse10) .cse15 .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 .cse16 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse14 .cse10) .cse17) (or .cse18 .cse0 .cse16 .cse17) (or .cse18 (and .cse13 .cse8) .cse19) (or .cse18 .cse16 .cse17 .cse19) (or .cse20 .cse15 .cse0 .cse1 .cse17 .cse11 .cse12) (or (and .cse3 .cse4 .cse5 .cse6 .cse21 .cse7 .cse9 .cse10) (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse12) (or .cse18 .cse0 (and .cse13 .cse5 .cse7 .cse8) .cse17) (or (and .cse4 .cse13 .cse5 .cse6 .cse21 .cse7 .cse9 .cse10) .cse20 .cse15 .cse0 .cse1 .cse17 .cse12))))) [2021-12-06 19:34:35,885 INFO L858 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2021-12-06 19:34:35,885 INFO L858 garLoopResultBuilder]: For program point L119-2(lines 115 137) no Hoare annotation was computed. [2021-12-06 19:34:35,886 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2021-12-06 19:34:35,886 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2021-12-06 19:34:35,886 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-06 19:34:35,886 INFO L854 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6)) (.cse0 (and (= ~pumpRunning~0 0) .cse5 .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (= 0 ~systemActive~0)))))) [2021-12-06 19:34:35,886 INFO L858 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-12-06 19:34:35,886 INFO L854 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse7 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~waterLevel~0)| 0)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 (<= ~waterLevel~0 0) .cse7 .cse8)) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 (= ~waterLevel~0 1) .cse8) .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse9) (or .cse10 .cse0 .cse9) (or .cse10 (not (= 0 ~systemActive~0))))) [2021-12-06 19:34:35,886 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 515) no Hoare annotation was computed. [2021-12-06 19:34:35,886 INFO L854 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse13 (= 1 ~systemActive~0)) (.cse5 (not .cse8)) (.cse6 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse9 (and (<= 1 ~pumpRunning~0) .cse2 .cse3 .cse4 .cse13 .cse5 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse6 .cse7)) (.cse0 (not .cse13)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) (and .cse2 .cse3 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7)) (or .cse8 .cse0 .cse1 (and .cse2 .cse3 .cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse6 .cse7) .cse9 .cse10 .cse11) (or .cse12 .cse0 .cse10) (or .cse8 .cse0 .cse1 .cse9 .cse10 (not (<= |old(~waterLevel~0)| 0)) .cse11) (or .cse0 .cse1 .cse5 .cse10 .cse11) (or .cse12 (not (= 0 ~systemActive~0))))))) [2021-12-06 19:34:35,886 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse0 .cse2) (or .cse3 (not (= 0 ~systemActive~0))))) [2021-12-06 19:34:35,886 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 518) no Hoare annotation was computed. [2021-12-06 19:34:35,886 INFO L854 garLoopResultBuilder]: At program point L501-1(lines 493 521) the Hoare annotation is: (let ((.cse19 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not .cse19)) (.cse14 (= ~waterLevel~0 1)) (.cse9 (<= ~waterLevel~0 0)) (.cse13 (not (< 1 |old(~waterLevel~0)|))) (.cse21 (not (= 0 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse7 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse10 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse17 (not (<= |old(~waterLevel~0)| 0))) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse20 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse18 (= ~pumpRunning~0 0)) (.cse5 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse6 (<= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|)) (.cse8 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse0 .cse1 .cse13 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse14 .cse11) .cse2 .cse15) (or .cse0 .cse1 .cse16 .cse17 .cse12) (or (and .cse4 .cse18 .cse5 .cse7 .cse8 .cse10 .cse14 .cse11) .cse19 .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse20 (and .cse18 .cse16) .cse21) (or (and .cse4 .cse18 .cse5 .cse7 .cse8 .cse9 .cse10 .cse11) (not (= |old(~waterLevel~0)| 1)) .cse19 .cse0 .cse1 .cse12) (or .cse20 .cse13 (and (= 2 |timeShift_getWaterLevel_#res#1|) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 2)) .cse15 .cse21) (or .cse19 .cse0 .cse1 (and .cse4 .cse18 .cse5 .cse7 .cse8 .cse16 .cse10 .cse11) .cse17 .cse12) (let ((.cse22 (<= 2 ~waterLevel~0))) (or .cse20 .cse0 (and (<= 1 ~pumpRunning~0) .cse5 .cse22 .cse8 .cse16) (and .cse18 .cse5 .cse22 .cse8 .cse16) (and .cse18 .cse5 .cse6 .cse8 .cse16) .cse15))))) [2021-12-06 19:34:35,887 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 112 138) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6)) (.cse0 (and (= ~pumpRunning~0 0) .cse5 .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (= 0 ~systemActive~0)))))) [2021-12-06 19:34:35,887 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 112 138) no Hoare annotation was computed. [2021-12-06 19:34:35,887 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-06 19:34:35,887 INFO L854 garLoopResultBuilder]: At program point L964(lines 959 967) the Hoare annotation is: (let ((.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse11 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse20 (and .cse5 .cse11 .cse2)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (not (<= |old(~waterLevel~0)| 1))) (.cse18 (<= ~waterLevel~0 0)) (.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse12 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse13 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse14 (= ~waterLevel~0 1)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse19 (not .cse9))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 0)) .cse3) (or .cse4 (and .cse5 .cse2) .cse6) (or .cse4 (= 2 |timeShift_getWaterLevel_#res#1|) .cse7 .cse8 .cse6) (or .cse9 .cse0 .cse1 .cse7 .cse8 (and .cse10 .cse5 .cse11 .cse12 .cse13 .cse14 .cse15)) (or .cse16 (and .cse17 .cse10 .cse11 .cse12 .cse18 .cse13 .cse15) .cse0 .cse1 .cse19 .cse3) (or .cse16 .cse4 .cse0 .cse20) (or .cse4 .cse0 .cse20 (and (<= 1 ~pumpRunning~0) .cse11 .cse2) .cse8) (or .cse16 .cse9 .cse0 .cse1 (and .cse10 .cse5 .cse11 .cse12 .cse18 .cse13 .cse15) .cse3) (or (and .cse17 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) .cse0 .cse1 .cse19 (not (= |old(~waterLevel~0)| 2)))))) [2021-12-06 19:34:35,887 INFO L858 garLoopResultBuilder]: For program point L436(lines 436 442) no Hoare annotation was computed. [2021-12-06 19:34:35,887 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 436 442) no Hoare annotation was computed. [2021-12-06 19:34:35,887 INFO L854 garLoopResultBuilder]: At program point L366(lines 362 368) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:34:35,887 INFO L854 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:34:35,887 INFO L854 garLoopResultBuilder]: At program point L461(lines 416 463) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 (<= ~waterLevel~0 0) .cse6) (and .cse4 .cse5 .cse2 .cse3 (= ~waterLevel~0 1) .cse6))) [2021-12-06 19:34:35,887 INFO L854 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 (<= ~waterLevel~0 0) .cse6) (and .cse4 .cse5 .cse2 .cse3 (= ~waterLevel~0 1) .cse6))) [2021-12-06 19:34:35,887 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 19:34:35,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 19:34:35,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L861 garLoopResultBuilder]: At program point L379(lines 371 381) the Hoare annotation is: true [2021-12-06 19:34:35,888 INFO L854 garLoopResultBuilder]: At program point L301(lines 289 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 399) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L392-2(lines 392 399) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L417(lines 416 463) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 459) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L854 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3))) [2021-12-06 19:34:35,888 INFO L861 garLoopResultBuilder]: At program point L467(lines 406 471) the Hoare annotation is: true [2021-12-06 19:34:35,888 INFO L861 garLoopResultBuilder]: At program point L401(lines 382 404) the Hoare annotation is: true [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2021-12-06 19:34:35,888 INFO L854 garLoopResultBuilder]: At program point L480(lines 475 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L464(lines 415 465) the Hoare annotation is: false [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2021-12-06 19:34:35,889 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L452-2(lines 446 459) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3) (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse4) (and .cse5 .cse2 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse3))) [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 147 171) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L285(lines 270 288) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse2) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))))) [2021-12-06 19:34:35,889 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2021-12-06 19:34:35,889 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2021-12-06 19:34:35,889 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 283) no Hoare annotation was computed. [2021-12-06 19:34:35,889 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 283) no Hoare annotation was computed. [2021-12-06 19:34:35,889 INFO L854 garLoopResultBuilder]: At program point L977(lines 968 981) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:34:35,890 INFO L854 garLoopResultBuilder]: At program point L203(lines 198 205) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))))) [2021-12-06 19:34:35,890 INFO L854 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:34:35,890 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 147 171) no Hoare annotation was computed. [2021-12-06 19:34:35,890 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 147 171) no Hoare annotation was computed. [2021-12-06 19:34:35,890 INFO L858 garLoopResultBuilder]: For program point L972(lines 972 978) no Hoare annotation was computed. [2021-12-06 19:34:35,890 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2021-12-06 19:34:35,890 INFO L858 garLoopResultBuilder]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2021-12-06 19:34:35,890 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 903 914) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse2 .cse1 .cse4))) [2021-12-06 19:34:35,890 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2021-12-06 19:34:35,890 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 225 233) the Hoare annotation is: true [2021-12-06 19:34:35,890 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 225 233) no Hoare annotation was computed. [2021-12-06 19:34:35,892 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:34:35,893 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:34:35,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:34:35 BoogieIcfgContainer [2021-12-06 19:34:35,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:34:35,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:34:35,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:34:35,924 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:34:35,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:34:15" (3/4) ... [2021-12-06 19:34:35,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 19:34:35,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 19:34:35,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 19:34:35,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 19:34:35,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 19:34:35,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 19:34:35,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:34:35,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 19:34:35,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-06 19:34:35,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-06 19:34:35,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 19:34:35,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 19:34:35,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 19:34:35,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 19:34:35,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:34:35,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:34:35,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) [2021-12-06 19:34:35,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((pumpRunning == \old(pumpRunning) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2021-12-06 19:34:35,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && tmp == waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && tmp == waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (2 == \result && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((1 <= pumpRunning && waterLevel == \result) && 2 <= waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((((pumpRunning == 0 && waterLevel == \result) && 2 <= waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((((pumpRunning == 0 && waterLevel == \result) && pumpRunning <= tmp___0) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2021-12-06 19:34:35,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-06 19:34:35,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-06 19:34:35,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) <= 1) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) [2021-12-06 19:34:35,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-06 19:34:35,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) [2021-12-06 19:34:35,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2021-12-06 19:34:35,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((!(tmp == 0) && \result == 0) && tmp___0 == 0)) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2021-12-06 19:34:35,963 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) [2021-12-06 19:34:35,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:34:35,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:34:35,982 INFO L158 Benchmark]: Toolchain (without parser) took 20780.37ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 82.7MB in the beginning and 139.8MB in the end (delta: -57.1MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2021-12-06 19:34:35,982 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:34:35,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 63.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 19:34:35,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.76ms. Allocated memory is still 121.6MB. Free memory was 63.6MB in the beginning and 97.5MB in the end (delta: -33.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-12-06 19:34:35,983 INFO L158 Benchmark]: Boogie Preprocessor took 21.41ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:34:35,983 INFO L158 Benchmark]: RCFGBuilder took 329.05ms. Allocated memory is still 121.6MB. Free memory was 96.0MB in the beginning and 79.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 19:34:35,983 INFO L158 Benchmark]: TraceAbstraction took 19999.27ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 78.6MB in the beginning and 44.5MB in the end (delta: 34.2MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2021-12-06 19:34:35,983 INFO L158 Benchmark]: Witness Printer took 58.04ms. Allocated memory is still 176.2MB. Free memory was 44.5MB in the beginning and 139.8MB in the end (delta: -95.3MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-12-06 19:34:35,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 63.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.76ms. Allocated memory is still 121.6MB. Free memory was 63.6MB in the beginning and 97.5MB in the end (delta: -33.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.41ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.05ms. Allocated memory is still 121.6MB. Free memory was 96.0MB in the beginning and 79.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 19999.27ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 78.6MB in the beginning and 44.5MB in the end (delta: 34.2MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * Witness Printer took 58.04ms. Allocated memory is still 176.2MB. Free memory was 44.5MB in the beginning and 139.8MB in the end (delta: -95.3MB). Peak memory consumption was 2.2MB. 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: 54]: 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, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 13, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4964 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4913 mSDsluCounter, 6708 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4893 mSDsCounter, 2023 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7024 IncrementalHoareTripleChecker+Invalid, 9047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2023 mSolverCounterUnsat, 1815 mSDtfsCounter, 7024 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1781 GetRequests, 1476 SyntacticMatches, 7 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3339 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1083occurred in iteration=8, InterpolantAutomatonStates: 239, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 542 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 3122 PreInvPairs, 3620 NumberOfFragments, 3215 HoareAnnotationTreeSize, 3122 FomulaSimplifications, 9476 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 71555 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1708 NumberOfCodeBlocks, 1708 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2323 ConstructedInterpolants, 0 QuantifiedInterpolants, 5436 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2547 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 21 InterpolantComputations, 9 PerfectInterpolantSequences, 1772/2085 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: 80]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && tmp == waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && tmp == waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (2 == \result && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((1 <= pumpRunning && waterLevel == \result) && 2 <= waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((((pumpRunning == 0 && waterLevel == \result) && 2 <= waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((((pumpRunning == 0 && waterLevel == \result) && pumpRunning <= tmp___0) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) <= 1) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && waterLevel == \result) && \result == methaneLevelCritical) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((pumpRunning == \old(pumpRunning) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((!(tmp == 0) && \result == 0) && tmp___0 == 0)) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) RESULT: Ultimate proved your program to be correct! [2021-12-06 19:34:36,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5985ab8-66a3-4bb6-bf27-2526bb7e8491/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE