./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN --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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:31:35,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:31:35,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:31:35,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:31:35,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:31:35,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:31:35,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:31:35,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:31:35,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:31:35,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:31:35,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:31:35,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:31:35,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:31:35,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:31:35,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:31:35,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:31:35,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:31:35,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:31:35,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:31:35,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:31:35,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:31:35,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:31:35,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:31:35,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:31:35,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:31:35,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:31:35,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:31:35,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:31:35,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:31:35,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:31:35,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:31:35,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:31:35,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:31:35,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:31:35,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:31:35,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:31:35,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:31:35,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:31:35,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:31:35,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:31:35,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:31:35,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:31:35,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:31:35,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:31:35,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:31:35,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:31:35,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:31:35,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:31:35,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:31:35,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:31:35,531 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:31:35,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:31:35,533 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:31:35,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:31:35,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:31:35,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:31:35,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:31:35,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:31:35,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:31:35,534 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:31:35,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:31:35,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:31:35,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:31:35,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:31:35,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:31:35,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:31:35,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:35,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:31:35,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:31:35,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:31:35,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:31:35,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:31:35,537 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:31:35,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:31:35,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:31:35,538 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_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2022-11-20 09:31:35,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:31:35,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:31:35,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:31:35,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:31:35,977 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:31:35,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2022-11-20 09:31:39,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:31:39,697 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:31:39,698 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2022-11-20 09:31:39,711 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/data/a28c1d222/a901e52d730b4e528011558512a07bcc/FLAG9dacd550d [2022-11-20 09:31:39,728 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/data/a28c1d222/a901e52d730b4e528011558512a07bcc [2022-11-20 09:31:39,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:31:39,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:31:39,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:39,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:31:39,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:31:39,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:39" (1/1) ... [2022-11-20 09:31:39,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7849c937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:39, skipping insertion in model container [2022-11-20 09:31:39,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:39" (1/1) ... [2022-11-20 09:31:39,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:31:39,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:31:40,185 WARN L237 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_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2022-11-20 09:31:40,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:40,220 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:31:40,339 WARN L237 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_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2022-11-20 09:31:40,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:40,362 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:31:40,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40 WrapperNode [2022-11-20 09:31:40,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:40,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:40,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:31:40,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:31:40,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,451 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 205 [2022-11-20 09:31:40,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:40,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:31:40,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:31:40,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:31:40,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:31:40,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:31:40,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:31:40,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:31:40,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (1/1) ... [2022-11-20 09:31:40,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:40,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:31:40,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:31:40,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:31:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:31:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 09:31:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 09:31:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 09:31:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 09:31:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 09:31:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 09:31:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 09:31:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 09:31:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-20 09:31:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-20 09:31:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:31:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 09:31:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 09:31:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:31:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:31:40,752 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:31:40,755 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:31:41,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:31:41,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:31:41,255 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:31:41,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:41 BoogieIcfgContainer [2022-11-20 09:31:41,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:31:41,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:31:41,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:31:41,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:31:41,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:31:39" (1/3) ... [2022-11-20 09:31:41,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781b62fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:41, skipping insertion in model container [2022-11-20 09:31:41,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:40" (2/3) ... [2022-11-20 09:31:41,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781b62fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:41, skipping insertion in model container [2022-11-20 09:31:41,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:41" (3/3) ... [2022-11-20 09:31:41,272 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2022-11-20 09:31:41,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:31:41,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:31:41,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:31:41,395 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@276068e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:31:41,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:31:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 77 states have internal predecessors, (97), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 09:31:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 09:31:41,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:41,417 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:41,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:41,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1684151890, now seen corresponding path program 1 times [2022-11-20 09:31:41,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:41,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362470471] [2022-11-20 09:31:41,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:41,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 09:31:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 09:31:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:41,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:41,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362470471] [2022-11-20 09:31:41,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362470471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:41,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:41,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:31:41,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768876696] [2022-11-20 09:31:41,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:41,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:31:41,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:41,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:31:41,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:31:41,894 INFO L87 Difference]: Start difference. First operand has 89 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 77 states have internal predecessors, (97), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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) [2022-11-20 09:31:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:41,978 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2022-11-20 09:31:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:31:41,981 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 [2022-11-20 09:31:41,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:41,995 INFO L225 Difference]: With dead ends: 169 [2022-11-20 09:31:41,995 INFO L226 Difference]: Without dead ends: 80 [2022-11-20 09:31:42,001 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:31:42,005 INFO L413 NwaCegarLoop]: 111 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, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:42,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-20 09:31:42,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-20 09:31:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.296875) internal successors, (83), 69 states have internal predecessors, (83), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 09:31:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2022-11-20 09:31:42,071 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 32 [2022-11-20 09:31:42,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:42,072 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2022-11-20 09:31:42,073 INFO L496 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) [2022-11-20 09:31:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2022-11-20 09:31:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 09:31:42,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:42,080 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:42,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:31:42,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:42,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:42,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1709273223, now seen corresponding path program 1 times [2022-11-20 09:31:42,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:42,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531987685] [2022-11-20 09:31:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:42,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:31:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 09:31:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:42,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:42,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531987685] [2022-11-20 09:31:42,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531987685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:42,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:42,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:42,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745490234] [2022-11-20 09:31:42,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:42,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:42,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:42,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:42,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:42,241 INFO L87 Difference]: Start difference. First operand 80 states and 102 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) [2022-11-20 09:31:42,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:42,269 INFO L93 Difference]: Finished difference Result 120 states and 153 transitions. [2022-11-20 09:31:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:31:42,273 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 [2022-11-20 09:31:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:42,275 INFO L225 Difference]: With dead ends: 120 [2022-11-20 09:31:42,275 INFO L226 Difference]: Without dead ends: 71 [2022-11-20 09:31:42,276 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:31:42,277 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:42,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-20 09:31:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-20 09:31:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 63 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 09:31:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-20 09:31:42,309 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 33 [2022-11-20 09:31:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:42,309 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-20 09:31:42,310 INFO L496 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) [2022-11-20 09:31:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-20 09:31:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 09:31:42,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:42,312 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:42,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:31:42,312 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:42,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:42,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1502879027, now seen corresponding path program 1 times [2022-11-20 09:31:42,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:42,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273481214] [2022-11-20 09:31:42,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:42,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:31:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 09:31:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:42,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:42,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273481214] [2022-11-20 09:31:42,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273481214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:42,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:42,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:42,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072103325] [2022-11-20 09:31:42,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:42,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:42,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:42,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:42,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:42,483 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-20 09:31:42,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:42,537 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2022-11-20 09:31:42,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:31:42,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 38 [2022-11-20 09:31:42,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:42,542 INFO L225 Difference]: With dead ends: 195 [2022-11-20 09:31:42,545 INFO L226 Difference]: Without dead ends: 132 [2022-11-20 09:31:42,547 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:31:42,551 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 78 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:42,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 186 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:42,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-20 09:31:42,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 127. [2022-11-20 09:31:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 111 states have internal predecessors, (136), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 09:31:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 164 transitions. [2022-11-20 09:31:42,601 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 164 transitions. Word has length 38 [2022-11-20 09:31:42,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:42,602 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 164 transitions. [2022-11-20 09:31:42,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-20 09:31:42,603 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 164 transitions. [2022-11-20 09:31:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 09:31:42,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:42,612 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:42,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:31:42,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:42,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:42,615 INFO L85 PathProgramCache]: Analyzing trace with hash -793445015, now seen corresponding path program 1 times [2022-11-20 09:31:42,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:42,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260315136] [2022-11-20 09:31:42,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 09:31:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:31:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:31:42,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:42,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260315136] [2022-11-20 09:31:42,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260315136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:42,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:42,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:31:42,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446696043] [2022-11-20 09:31:42,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:42,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:31:42,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:42,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:31:42,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:31:42,891 INFO L87 Difference]: Start difference. First operand 127 states and 164 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) [2022-11-20 09:31:43,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:43,050 INFO L93 Difference]: Finished difference Result 342 states and 450 transitions. [2022-11-20 09:31:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:31:43,051 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 [2022-11-20 09:31:43,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:43,053 INFO L225 Difference]: With dead ends: 342 [2022-11-20 09:31:43,054 INFO L226 Difference]: Without dead ends: 223 [2022-11-20 09:31:43,055 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:31:43,057 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 48 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:43,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 425 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:31:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-20 09:31:43,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 211. [2022-11-20 09:31:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 166 states have (on average 1.2951807228915662) internal successors, (215), 179 states have internal predecessors, (215), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-11-20 09:31:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 267 transitions. [2022-11-20 09:31:43,090 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 267 transitions. Word has length 41 [2022-11-20 09:31:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:43,091 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 267 transitions. [2022-11-20 09:31:43,091 INFO L496 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) [2022-11-20 09:31:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2022-11-20 09:31:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 09:31:43,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:43,094 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:43,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:31:43,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:43,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:43,095 INFO L85 PathProgramCache]: Analyzing trace with hash 855988844, now seen corresponding path program 1 times [2022-11-20 09:31:43,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:43,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839747246] [2022-11-20 09:31:43,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:43,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:31:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 09:31:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:43,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:43,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839747246] [2022-11-20 09:31:43,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839747246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:43,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:43,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:31:43,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245147912] [2022-11-20 09:31:43,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:43,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:31:43,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:43,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:31:43,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:31:43,219 INFO L87 Difference]: Start difference. First operand 211 states and 267 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 09:31:43,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:43,318 INFO L93 Difference]: Finished difference Result 462 states and 598 transitions. [2022-11-20 09:31:43,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:31:43,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 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 51 [2022-11-20 09:31:43,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:43,322 INFO L225 Difference]: With dead ends: 462 [2022-11-20 09:31:43,322 INFO L226 Difference]: Without dead ends: 259 [2022-11-20 09:31:43,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:31:43,325 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 42 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:43,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 381 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-11-20 09:31:43,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 217. [2022-11-20 09:31:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 185 states have internal predecessors, (221), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-11-20 09:31:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 273 transitions. [2022-11-20 09:31:43,358 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 273 transitions. Word has length 51 [2022-11-20 09:31:43,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:43,359 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 273 transitions. [2022-11-20 09:31:43,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 09:31:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 273 transitions. [2022-11-20 09:31:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 09:31:43,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:43,367 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:43,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:31:43,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:43,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:43,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1278690670, now seen corresponding path program 1 times [2022-11-20 09:31:43,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:43,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366711691] [2022-11-20 09:31:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:43,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:31:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 09:31:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:43,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:43,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366711691] [2022-11-20 09:31:43,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366711691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:43,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:43,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:31:43,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830973275] [2022-11-20 09:31:43,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:43,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:31:43,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:43,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:31:43,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:31:43,562 INFO L87 Difference]: Start difference. First operand 217 states and 273 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2022-11-20 09:31:43,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:43,723 INFO L93 Difference]: Finished difference Result 486 states and 624 transitions. [2022-11-20 09:31:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:31:43,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 51 [2022-11-20 09:31:43,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:43,737 INFO L225 Difference]: With dead ends: 486 [2022-11-20 09:31:43,737 INFO L226 Difference]: Without dead ends: 277 [2022-11-20 09:31:43,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:31:43,744 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 155 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:43,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 437 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:31:43,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-11-20 09:31:43,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 221. [2022-11-20 09:31:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 176 states have (on average 1.2784090909090908) internal successors, (225), 189 states have internal predecessors, (225), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2022-11-20 09:31:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 277 transitions. [2022-11-20 09:31:43,775 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 277 transitions. Word has length 51 [2022-11-20 09:31:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:43,775 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 277 transitions. [2022-11-20 09:31:43,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2022-11-20 09:31:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 277 transitions. [2022-11-20 09:31:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 09:31:43,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:43,777 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:43,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:31:43,778 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:43,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:43,779 INFO L85 PathProgramCache]: Analyzing trace with hash -526747664, now seen corresponding path program 1 times [2022-11-20 09:31:43,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:43,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980493013] [2022-11-20 09:31:43,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:31:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 09:31:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:43,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:43,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980493013] [2022-11-20 09:31:43,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980493013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:43,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:43,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:43,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086367752] [2022-11-20 09:31:43,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:43,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:43,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:43,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:43,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:43,882 INFO L87 Difference]: Start difference. First operand 221 states and 277 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-20 09:31:43,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:43,934 INFO L93 Difference]: Finished difference Result 528 states and 667 transitions. [2022-11-20 09:31:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:31:43,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 51 [2022-11-20 09:31:43,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:43,937 INFO L225 Difference]: With dead ends: 528 [2022-11-20 09:31:43,937 INFO L226 Difference]: Without dead ends: 315 [2022-11-20 09:31:43,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:43,939 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 39 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:43,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 171 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:43,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-11-20 09:31:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2022-11-20 09:31:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 250 states have (on average 1.248) internal successors, (312), 265 states have internal predecessors, (312), 36 states have call successors, (36), 30 states have call predecessors, (36), 28 states have return successors, (40), 34 states have call predecessors, (40), 36 states have call successors, (40) [2022-11-20 09:31:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 388 transitions. [2022-11-20 09:31:43,993 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 388 transitions. Word has length 51 [2022-11-20 09:31:43,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:43,993 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 388 transitions. [2022-11-20 09:31:43,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-20 09:31:43,994 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 388 transitions. [2022-11-20 09:31:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 09:31:43,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:43,995 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:43,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:31:43,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:43,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:43,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1427287338, now seen corresponding path program 1 times [2022-11-20 09:31:43,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:43,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752841730] [2022-11-20 09:31:43,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:43,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:44,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:31:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:31:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 09:31:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:31:44,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:44,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752841730] [2022-11-20 09:31:44,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752841730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:44,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:44,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:31:44,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842360263] [2022-11-20 09:31:44,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:44,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:31:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:44,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:31:44,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:31:44,266 INFO L87 Difference]: Start difference. First operand 315 states and 388 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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) [2022-11-20 09:31:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:44,911 INFO L93 Difference]: Finished difference Result 1084 states and 1399 transitions. [2022-11-20 09:31:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 09:31:44,911 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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 55 [2022-11-20 09:31:44,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:44,922 INFO L225 Difference]: With dead ends: 1084 [2022-11-20 09:31:44,922 INFO L226 Difference]: Without dead ends: 871 [2022-11-20 09:31:44,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:31:44,926 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 341 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:44,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 575 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:31:44,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-11-20 09:31:45,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 815. [2022-11-20 09:31:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 648 states have (on average 1.2191358024691359) internal successors, (790), 689 states have internal predecessors, (790), 90 states have call successors, (90), 66 states have call predecessors, (90), 76 states have return successors, (128), 86 states have call predecessors, (128), 90 states have call successors, (128) [2022-11-20 09:31:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1008 transitions. [2022-11-20 09:31:45,061 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1008 transitions. Word has length 55 [2022-11-20 09:31:45,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:45,061 INFO L495 AbstractCegarLoop]: Abstraction has 815 states and 1008 transitions. [2022-11-20 09:31:45,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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) [2022-11-20 09:31:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1008 transitions. [2022-11-20 09:31:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 09:31:45,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:45,064 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 09:31:45,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:31:45,065 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:45,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:45,065 INFO L85 PathProgramCache]: Analyzing trace with hash -616604212, now seen corresponding path program 1 times [2022-11-20 09:31:45,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:45,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623259367] [2022-11-20 09:31:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:31:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 09:31:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-20 09:31:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 09:31:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 09:31:45,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:45,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623259367] [2022-11-20 09:31:45,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623259367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:45,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:45,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:31:45,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447559437] [2022-11-20 09:31:45,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:45,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:31:45,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:45,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:31:45,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:31:45,205 INFO L87 Difference]: Start difference. First operand 815 states and 1008 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 09:31:45,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:45,523 INFO L93 Difference]: Finished difference Result 1379 states and 1704 transitions. [2022-11-20 09:31:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:31:45,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 85 [2022-11-20 09:31:45,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:45,528 INFO L225 Difference]: With dead ends: 1379 [2022-11-20 09:31:45,529 INFO L226 Difference]: Without dead ends: 572 [2022-11-20 09:31:45,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:31:45,535 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 186 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:45,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 316 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:31:45,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-11-20 09:31:45,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 562. [2022-11-20 09:31:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 445 states have (on average 1.208988764044944) internal successors, (538), 473 states have internal predecessors, (538), 63 states have call successors, (63), 48 states have call predecessors, (63), 53 states have return successors, (83), 60 states have call predecessors, (83), 63 states have call successors, (83) [2022-11-20 09:31:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 684 transitions. [2022-11-20 09:31:45,615 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 684 transitions. Word has length 85 [2022-11-20 09:31:45,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:45,615 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 684 transitions. [2022-11-20 09:31:45,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 09:31:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 684 transitions. [2022-11-20 09:31:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 09:31:45,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:45,618 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:45,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:31:45,618 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:45,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1396479385, now seen corresponding path program 1 times [2022-11-20 09:31:45,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:45,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234082463] [2022-11-20 09:31:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:31:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 09:31:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:31:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:31:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:31:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 09:31:45,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:45,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234082463] [2022-11-20 09:31:45,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234082463] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:31:45,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772370341] [2022-11-20 09:31:45,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:45,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:31:45,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:31:45,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:31:45,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:31:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:45,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:31:45,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:46,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:31:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 09:31:46,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772370341] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:31:46,411 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:31:46,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2022-11-20 09:31:46,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637071309] [2022-11-20 09:31:46,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:31:46,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 09:31:46,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:46,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 09:31:46,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-20 09:31:46,415 INFO L87 Difference]: Start difference. First operand 562 states and 684 transitions. Second operand has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-20 09:31:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:47,549 INFO L93 Difference]: Finished difference Result 1073 states and 1331 transitions. [2022-11-20 09:31:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 09:31:47,550 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) Word has length 87 [2022-11-20 09:31:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:47,551 INFO L225 Difference]: With dead ends: 1073 [2022-11-20 09:31:47,552 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:31:47,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 186 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=256, Invalid=934, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 09:31:47,556 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 326 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:47,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1196 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 09:31:47,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:31:47,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:31:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:31:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:31:47,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-11-20 09:31:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:47,558 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:31:47,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-20 09:31:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:31:47,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:31:47,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:31:47,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 09:31:47,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:31:47,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:31:53,883 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2022-11-20 09:31:53,883 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2022-11-20 09:31:53,884 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2022-11-20 09:31:53,884 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-11-20 09:31:53,884 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-11-20 09:31:53,884 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 831 860) no Hoare annotation was computed. [2022-11-20 09:31:53,884 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 831 860) the Hoare annotation is: true [2022-11-20 09:31:53,885 INFO L902 garLoopResultBuilder]: At program point L856(lines 831 860) the Hoare annotation is: true [2022-11-20 09:31:53,885 INFO L899 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2022-11-20 09:31:53,885 INFO L899 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2022-11-20 09:31:53,885 INFO L902 garLoopResultBuilder]: At program point L845-1(lines 845 849) the Hoare annotation is: true [2022-11-20 09:31:53,885 INFO L899 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2022-11-20 09:31:53,885 INFO L902 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: true [2022-11-20 09:31:53,885 INFO L902 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: true [2022-11-20 09:31:53,885 INFO L899 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2022-11-20 09:31:53,885 INFO L899 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2022-11-20 09:31:53,886 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2022-11-20 09:31:53,886 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2022-11-20 09:31:53,886 INFO L895 garLoopResultBuilder]: At program point L605-2(lines 598 614) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and (= ~pumpRunning~0 0) .cse2 .cse3) (and (<= 1 ~pumpRunning~0) .cse2 .cse3) .cse4)) (or .cse1 .cse5 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse5 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-20 09:31:53,887 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2022-11-20 09:31:53,887 INFO L895 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2))) [2022-11-20 09:31:53,887 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2022-11-20 09:31:53,887 INFO L899 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2022-11-20 09:31:53,888 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2022-11-20 09:31:53,888 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 529 555) no Hoare annotation was computed. [2022-11-20 09:31:53,888 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2022-11-20 09:31:53,888 INFO L895 garLoopResultBuilder]: At program point L953(lines 946 955) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse6 (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse4 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-20 09:31:53,889 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 542) no Hoare annotation was computed. [2022-11-20 09:31:53,889 INFO L899 garLoopResultBuilder]: For program point L536-2(lines 532 554) no Hoare annotation was computed. [2022-11-20 09:31:53,889 INFO L895 garLoopResultBuilder]: At program point L594(lines 589 596) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2))) [2022-11-20 09:31:53,890 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-11-20 09:31:53,890 INFO L895 garLoopResultBuilder]: At program point L966(line 966) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 (and .cse5 (= ~waterLevel~0 1) .cse6) .cse7) (or .cse2 .cse4 .cse3 (and .cse5 (<= ~waterLevel~0 2) .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse3 .cse8 .cse7) (or .cse0 .cse1 .cse3 .cse8) (or .cse0 .cse2 .cse3 .cse7))) [2022-11-20 09:31:53,890 INFO L899 garLoopResultBuilder]: For program point L966-1(line 966) no Hoare annotation was computed. [2022-11-20 09:31:53,891 INFO L895 garLoopResultBuilder]: At program point L933(lines 928 935) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 .cse2))) [2022-11-20 09:31:53,891 INFO L895 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (and (= ~pumpRunning~0 0) .cse4)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= 0 ~systemActive~0))) (.cse6 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= 2 ~waterLevel~0) .cse4) .cse5) (or .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse2 .cse8 .cse5 (and .cse3 (= ~waterLevel~0 1) .cse9) .cse7) (or .cse2 .cse8 .cse5 (and .cse3 (<= ~waterLevel~0 2) .cse9) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse5 .cse10) (or .cse0 .cse5 .cse10 .cse6 .cse7)))) [2022-11-20 09:31:53,891 INFO L895 garLoopResultBuilder]: At program point L578(line 578) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 .cse2 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift_processEnvironment_~tmp~3#1| 0))))) [2022-11-20 09:31:53,892 INFO L895 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0) (not (= |timeShift_isHighWaterLevel_~tmp~5#1| 0)) .cse2) .cse3 (and .cse1 (<= 2 ~waterLevel~0) .cse2) .cse4)) (or .cse3 .cse5 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse5 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-20 09:31:53,892 INFO L895 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 (and .cse4 (not (= |timeShift_isHighWaterSensorDry_#res#1| 0)) .cse5) .cse0 (and .cse4 (<= 2 ~waterLevel~0) .cse5) .cse2)))) [2022-11-20 09:31:53,892 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (= ~waterLevel~0 1) .cse5) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1))) [2022-11-20 09:31:53,893 INFO L895 garLoopResultBuilder]: At program point L583-1(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and (= ~pumpRunning~0 0) .cse1) .cse2 (and .cse3 (<= 2 ~waterLevel~0) .cse1) .cse4)) (or .cse0 .cse4 (not (= 0 ~systemActive~0))) (or .cse2 .cse5 .cse4 (and .cse3 (= ~waterLevel~0 1) .cse6) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse5 .cse4 (and .cse3 (<= ~waterLevel~0 2) .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-20 09:31:53,893 INFO L895 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2))) [2022-11-20 09:31:53,893 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-11-20 09:31:53,894 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (= ~waterLevel~0 1) .cse5) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1))) [2022-11-20 09:31:53,894 INFO L895 garLoopResultBuilder]: At program point L951(line 951) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-20 09:31:53,894 INFO L899 garLoopResultBuilder]: For program point L951-1(line 951) no Hoare annotation was computed. [2022-11-20 09:31:53,894 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 529 555) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-20 09:31:53,895 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 529 555) no Hoare annotation was computed. [2022-11-20 09:31:53,895 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2022-11-20 09:31:53,895 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2022-11-20 09:31:53,895 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2022-11-20 09:31:53,896 INFO L895 garLoopResultBuilder]: At program point L964-1(lines 956 984) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (and (<= |timeShift_getWaterLevel_#res#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|) (<= 2 |timeShift_getWaterLevel_#res#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= ~pumpRunning~0 0) .cse7)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 (and .cse6 (<= 2 ~waterLevel~0) .cse7) .cse3) (or .cse1 .cse8 .cse3 (and .cse6 (= ~waterLevel~0 1) .cse9) .cse4) (or .cse1 .cse8 .cse3 (and .cse6 (<= ~waterLevel~0 2) .cse9) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse3 .cse10 .cse4) (or .cse0 .cse5 .cse3 .cse10)))) [2022-11-20 09:31:53,896 INFO L902 garLoopResultBuilder]: At program point L923(lines 904 926) the Hoare annotation is: true [2022-11-20 09:31:53,896 INFO L895 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: false [2022-11-20 09:31:53,896 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2022-11-20 09:31:53,897 INFO L895 garLoopResultBuilder]: At program point L771-2(lines 763 778) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-20 09:31:53,897 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:31:53,897 INFO L899 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2022-11-20 09:31:53,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:31:53,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:31:53,898 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2022-11-20 09:31:53,898 INFO L895 garLoopResultBuilder]: At program point L825(lines 820 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:31:53,898 INFO L895 garLoopResultBuilder]: At program point L755(line 755) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-20 09:31:53,898 INFO L895 garLoopResultBuilder]: At program point L817(lines 813 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:31:53,899 INFO L895 garLoopResultBuilder]: At program point L718(lines 713 720) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-20 09:31:53,899 INFO L895 garLoopResultBuilder]: At program point L780(lines 733 782) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-20 09:31:53,899 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2022-11-20 09:31:53,899 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2022-11-20 09:31:53,900 INFO L895 garLoopResultBuilder]: At program point L710(lines 698 712) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-11-20 09:31:53,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:31:53,900 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2022-11-20 09:31:53,900 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2022-11-20 09:31:53,901 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 702 708) no Hoare annotation was computed. [2022-11-20 09:31:53,901 INFO L895 garLoopResultBuilder]: At program point L620(lines 615 622) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2022-11-20 09:31:53,901 INFO L895 garLoopResultBuilder]: At program point L810(lines 806 812) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:31:53,901 INFO L902 garLoopResultBuilder]: At program point L901(lines 893 903) the Hoare annotation is: true [2022-11-20 09:31:53,901 INFO L895 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:31:53,902 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2022-11-20 09:31:53,902 INFO L902 garLoopResultBuilder]: At program point L786(lines 723 790) the Hoare annotation is: true [2022-11-20 09:31:53,902 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2022-11-20 09:31:53,902 INFO L899 garLoopResultBuilder]: For program point L753-1(lines 753 759) no Hoare annotation was computed. [2022-11-20 09:31:53,902 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 921) no Hoare annotation was computed. [2022-11-20 09:31:53,903 INFO L895 garLoopResultBuilder]: At program point L943(lines 938 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:31:53,903 INFO L895 garLoopResultBuilder]: At program point L745(line 745) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-20 09:31:53,903 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-11-20 09:31:53,903 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-11-20 09:31:53,904 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse3 (not (= 0 ~systemActive~0))) (or .cse4 .cse0 .cse2 .cse3))) [2022-11-20 09:31:53,904 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2022-11-20 09:31:53,904 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 634 642) the Hoare annotation is: true [2022-11-20 09:31:53,904 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2022-11-20 09:31:53,908 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:53,911 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:31:53,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:31:53 BoogieIcfgContainer [2022-11-20 09:31:53,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:31:53,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:31:53,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:31:53,952 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:31:53,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:41" (3/4) ... [2022-11-20 09:31:53,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:31:53,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 09:31:53,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 09:31:53,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 09:31:53,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 09:31:53,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 09:31:53,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-20 09:31:53,973 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-20 09:31:53,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:31:53,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:31:53,975 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:31:53,975 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:31:54,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-20 09:31:54,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-20 09:31:54,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((\result <= 2 && 1 < tmp) && 2 <= \result) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (((\result <= 2 && 1 < tmp) && 2 <= \result) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-11-20 09:31:54,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-20 09:31:54,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-20 09:31:54,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) [2022-11-20 09:31:54,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-20 09:31:54,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-11-20 09:31:54,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-20 09:31:54,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-20 09:31:54,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-11-20 09:31:54,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-20 09:31:54,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:31:54,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:31:54,040 INFO L158 Benchmark]: Toolchain (without parser) took 14307.13ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 88.9MB in the beginning and 112.6MB in the end (delta: -23.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-11-20 09:31:54,041 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:54,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.37ms. Allocated memory is still 132.1MB. Free memory was 88.6MB in the beginning and 70.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:31:54,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.05ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:54,042 INFO L158 Benchmark]: Boogie Preprocessor took 45.50ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:54,042 INFO L158 Benchmark]: RCFGBuilder took 758.36ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 66.2MB in the beginning and 168.8MB in the end (delta: -102.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-11-20 09:31:54,043 INFO L158 Benchmark]: TraceAbstraction took 12687.53ms. Allocated memory is still 201.3MB. Free memory was 168.8MB in the beginning and 118.9MB in the end (delta: 49.9MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2022-11-20 09:31:54,043 INFO L158 Benchmark]: Witness Printer took 88.17ms. Allocated memory is still 201.3MB. Free memory was 118.9MB in the beginning and 112.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 09:31:54,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.37ms. Allocated memory is still 132.1MB. Free memory was 88.6MB in the beginning and 70.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.05ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.50ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.36ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 66.2MB in the beginning and 168.8MB in the end (delta: -102.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12687.53ms. Allocated memory is still 201.3MB. Free memory was 168.8MB in the beginning and 118.9MB in the end (delta: 49.9MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * Witness Printer took 88.17ms. Allocated memory is still 201.3MB. Free memory was 118.9MB in the beginning and 112.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: 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 7 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1263 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1233 mSDsluCounter, 3954 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2830 mSDsCounter, 257 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1202 IncrementalHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 257 mSolverCounterUnsat, 1124 mSDtfsCounter, 1202 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 337 GetRequests, 253 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=815occurred in iteration=8, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 181 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1466 PreInvPairs, 1683 NumberOfFragments, 2063 HoareAnnotationTreeSize, 1466 FomulaSimplifications, 8687 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 42 FomulaSimplificationsInter, 10955 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 686 ConstructedInterpolants, 0 QuantifiedInterpolants, 1373 SizeOfPredicates, 3 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 120/142 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: 698]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((\result <= 2 && 1 < tmp) && 2 <= \result) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (((\result <= 2 && 1 < tmp) && 2 <= \result) && tmp <= 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) || ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 09:31:54,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd89ea4-15c5-48a6-a62e-ef9770672d9c/bin/uautomizer-ug76WZFUDN/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