./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8 --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 aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 --- 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-2329fc7 [2022-12-13 11:41:59,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:41:59,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:41:59,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:41:59,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:41:59,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:41:59,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:41:59,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:41:59,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:41:59,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:41:59,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:41:59,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:41:59,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:41:59,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:41:59,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:41:59,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:41:59,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:41:59,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:41:59,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:41:59,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:41:59,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:41:59,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:41:59,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:41:59,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:41:59,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:41:59,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:41:59,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:41:59,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:41:59,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:41:59,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:41:59,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:41:59,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:41:59,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:41:59,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:41:59,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:41:59,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:41:59,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:41:59,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:41:59,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:41:59,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:41:59,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:41:59,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 11:41:59,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:41:59,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:41:59,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:41:59,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:41:59,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:41:59,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:41:59,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:41:59,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:41:59,536 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:41:59,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:41:59,536 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:41:59,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:41:59,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:41:59,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:41:59,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:41:59,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:41:59,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:41:59,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:41:59,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:41:59,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:41:59,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:41:59,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:41:59,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:41:59,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:41:59,538 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:41:59,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:41:59,539 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:41:59,539 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 [2022-12-13 11:41:59,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:41:59,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:41:59,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:41:59,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:41:59,744 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:41:59,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2022-12-13 11:42:02,305 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:42:02,497 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:42:02,497 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2022-12-13 11:42:02,505 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/data/598c0ebd8/0ef8b3c45c8c405ab0dee7327ef5ae85/FLAG7d7e23c26 [2022-12-13 11:42:02,901 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/data/598c0ebd8/0ef8b3c45c8c405ab0dee7327ef5ae85 [2022-12-13 11:42:02,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:42:02,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:42:02,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:42:02,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:42:02,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:42:02,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:42:02" (1/1) ... [2022-12-13 11:42:02,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1826f29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:02, skipping insertion in model container [2022-12-13 11:42:02,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:42:02" (1/1) ... [2022-12-13 11:42:02,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:42:02,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:42:03,047 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_bbacddec-7489-41b9-9c8e-adac59a92a47/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2022-12-13 11:42:03,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:42:03,126 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:42:03,138 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_bbacddec-7489-41b9-9c8e-adac59a92a47/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2022-12-13 11:42:03,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:42:03,194 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:42:03,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03 WrapperNode [2022-12-13 11:42:03,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:42:03,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:42:03,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:42:03,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:42:03,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,233 INFO L138 Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 229 [2022-12-13 11:42:03,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:42:03,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:42:03,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:42:03,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:42:03,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,257 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:42:03,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:42:03,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:42:03,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:42:03,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (1/1) ... [2022-12-13 11:42:03,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:42:03,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:03,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:42:03,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:42:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:42:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 11:42:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 11:42:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 11:42:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 11:42:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 11:42:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 11:42:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 11:42:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 11:42:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 11:42:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 11:42:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-12-13 11:42:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-12-13 11:42:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:42:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 11:42:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 11:42:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:42:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:42:03,395 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:42:03,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:42:03,611 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:42:03,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:42:03,617 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:42:03,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:03 BoogieIcfgContainer [2022-12-13 11:42:03,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:42:03,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:42:03,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:42:03,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:42:03,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:42:02" (1/3) ... [2022-12-13 11:42:03,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d0a0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:42:03, skipping insertion in model container [2022-12-13 11:42:03,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:42:03" (2/3) ... [2022-12-13 11:42:03,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d0a0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:42:03, skipping insertion in model container [2022-12-13 11:42:03,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:03" (3/3) ... [2022-12-13 11:42:03,624 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2022-12-13 11:42:03,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:42:03,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:42:03,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:42:03,677 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;@596b24d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:42:03,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:42:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 83 states have internal predecessors, (103), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 11:42:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 11:42:03,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:03,688 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] [2022-12-13 11:42:03,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:03,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:03,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1773170943, now seen corresponding path program 1 times [2022-12-13 11:42:03,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:03,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747254668] [2022-12-13 11:42:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:03,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 11:42:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 11:42:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:03,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:03,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747254668] [2022-12-13 11:42:03,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747254668] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:03,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:03,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:42:03,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101091384] [2022-12-13 11:42:03,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:03,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:42:03,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:03,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:42:03,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:42:03,860 INFO L87 Difference]: Start difference. First operand has 96 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 83 states have internal predecessors, (103), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-12-13 11:42:03,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:03,892 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2022-12-13 11:42:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:42:03,894 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 [2022-12-13 11:42:03,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:03,903 INFO L225 Difference]: With dead ends: 183 [2022-12-13 11:42:03,903 INFO L226 Difference]: Without dead ends: 87 [2022-12-13 11:42:03,906 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 [2022-12-13 11:42:03,908 INFO L413 NwaCegarLoop]: 121 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, 121 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 [2022-12-13 11:42:03,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:42:03,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-12-13 11:42:03,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-12-13 11:42:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 75 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 11:42:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-12-13 11:42:03,948 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2022-12-13 11:42:03,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:03,949 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-12-13 11:42:03,949 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) [2022-12-13 11:42:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-12-13 11:42:03,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 11:42:03,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:03,951 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] [2022-12-13 11:42:03,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:42:03,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:03,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1531656934, now seen corresponding path program 1 times [2022-12-13 11:42:03,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:03,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272533529] [2022-12-13 11:42:03,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:03,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:42:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:42:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:04,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:04,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272533529] [2022-12-13 11:42:04,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272533529] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:04,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:04,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:04,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536396277] [2022-12-13 11:42:04,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:04,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:04,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:04,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:04,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:04,062 INFO L87 Difference]: Start difference. First operand 87 states and 112 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) [2022-12-13 11:42:04,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:04,081 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2022-12-13 11:42:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:04,082 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 [2022-12-13 11:42:04,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:04,083 INFO L225 Difference]: With dead ends: 139 [2022-12-13 11:42:04,083 INFO L226 Difference]: Without dead ends: 78 [2022-12-13 11:42:04,084 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 [2022-12-13 11:42:04,085 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 12 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 182 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 [2022-12-13 11:42:04,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:42:04,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-13 11:42:04,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-12-13 11:42:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 11:42:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-12-13 11:42:04,097 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 33 [2022-12-13 11:42:04,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:04,097 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-12-13 11:42:04,097 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) [2022-12-13 11:42:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-12-13 11:42:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 11:42:04,099 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:04,099 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] [2022-12-13 11:42:04,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:42:04,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:04,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash 840710854, now seen corresponding path program 1 times [2022-12-13 11:42:04,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:04,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589978723] [2022-12-13 11:42:04,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:04,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:42:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 11:42:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:04,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:04,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589978723] [2022-12-13 11:42:04,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589978723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:04,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:04,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:42:04,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350831020] [2022-12-13 11:42:04,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:04,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:42:04,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:04,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:42:04,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:42:04,233 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:42:04,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:04,328 INFO L93 Difference]: Finished difference Result 148 states and 193 transitions. [2022-12-13 11:42:04,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:42:04,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-12-13 11:42:04,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:04,330 INFO L225 Difference]: With dead ends: 148 [2022-12-13 11:42:04,331 INFO L226 Difference]: Without dead ends: 78 [2022-12-13 11:42:04,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:42:04,333 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 189 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:04,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 215 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:42:04,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-13 11:42:04,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-12-13 11:42:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 69 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 11:42:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-12-13 11:42:04,348 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 37 [2022-12-13 11:42:04,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:04,349 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-12-13 11:42:04,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:42:04,350 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-12-13 11:42:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 11:42:04,352 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:04,352 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] [2022-12-13 11:42:04,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:42:04,352 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:04,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:04,353 INFO L85 PathProgramCache]: Analyzing trace with hash 244336530, now seen corresponding path program 1 times [2022-12-13 11:42:04,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:04,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090776808] [2022-12-13 11:42:04,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:04,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:42:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 11:42:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:04,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:04,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090776808] [2022-12-13 11:42:04,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090776808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:04,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:04,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:42:04,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136330443] [2022-12-13 11:42:04,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:04,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:42:04,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:04,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:42:04,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:42:04,409 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-12-13 11:42:04,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:04,437 INFO L93 Difference]: Finished difference Result 196 states and 255 transitions. [2022-12-13 11:42:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:42:04,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 45 [2022-12-13 11:42:04,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:04,439 INFO L225 Difference]: With dead ends: 196 [2022-12-13 11:42:04,439 INFO L226 Difference]: Without dead ends: 126 [2022-12-13 11:42:04,440 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 [2022-12-13 11:42:04,441 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 79 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:04,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 174 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:42:04,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-12-13 11:42:04,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2022-12-13 11:42:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 97 states have (on average 1.288659793814433) internal successors, (125), 105 states have internal predecessors, (125), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2022-12-13 11:42:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 157 transitions. [2022-12-13 11:42:04,458 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 157 transitions. Word has length 45 [2022-12-13 11:42:04,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:04,459 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 157 transitions. [2022-12-13 11:42:04,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-12-13 11:42:04,459 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2022-12-13 11:42:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 11:42:04,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:04,461 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] [2022-12-13 11:42:04,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:42:04,461 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:04,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:04,462 INFO L85 PathProgramCache]: Analyzing trace with hash 816783697, now seen corresponding path program 1 times [2022-12-13 11:42:04,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:04,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676591353] [2022-12-13 11:42:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:04,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:42:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:42:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:42:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 11:42:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:42:04,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:04,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676591353] [2022-12-13 11:42:04,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676591353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:04,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:04,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 11:42:04,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153619034] [2022-12-13 11:42:04,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:04,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:42:04,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:04,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:42:04,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:42:04,597 INFO L87 Difference]: Start difference. First operand 124 states and 157 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:42:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:04,810 INFO L93 Difference]: Finished difference Result 276 states and 351 transitions. [2022-12-13 11:42:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 11:42:04,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2022-12-13 11:42:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:04,812 INFO L225 Difference]: With dead ends: 276 [2022-12-13 11:42:04,812 INFO L226 Difference]: Without dead ends: 160 [2022-12-13 11:42:04,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-13 11:42:04,814 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 141 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:04,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:42:04,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-12-13 11:42:04,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 146. [2022-12-13 11:42:04,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 114 states have (on average 1.263157894736842) internal successors, (144), 122 states have internal predecessors, (144), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-12-13 11:42:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 183 transitions. [2022-12-13 11:42:04,835 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 183 transitions. Word has length 53 [2022-12-13 11:42:04,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:04,835 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 183 transitions. [2022-12-13 11:42:04,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 11:42:04,836 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 183 transitions. [2022-12-13 11:42:04,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 11:42:04,837 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:04,837 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] [2022-12-13 11:42:04,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:42:04,838 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:04,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1305099847, now seen corresponding path program 1 times [2022-12-13 11:42:04,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:04,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288029068] [2022-12-13 11:42:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:04,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:42:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:42:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:42:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:04,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:04,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288029068] [2022-12-13 11:42:04,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288029068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:04,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:04,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:42:04,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716165434] [2022-12-13 11:42:04,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:04,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:42:04,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:04,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:42:04,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:42:04,927 INFO L87 Difference]: Start difference. First operand 146 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 11:42:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:05,038 INFO L93 Difference]: Finished difference Result 294 states and 379 transitions. [2022-12-13 11:42:05,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:42:05,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-12-13 11:42:05,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:05,040 INFO L225 Difference]: With dead ends: 294 [2022-12-13 11:42:05,040 INFO L226 Difference]: Without dead ends: 156 [2022-12-13 11:42:05,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:42:05,041 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 71 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:05,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 355 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:42:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-13 11:42:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 149. [2022-12-13 11:42:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 117 states have (on average 1.2564102564102564) internal successors, (147), 125 states have internal predecessors, (147), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-12-13 11:42:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 186 transitions. [2022-12-13 11:42:05,053 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 186 transitions. Word has length 55 [2022-12-13 11:42:05,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:05,053 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 186 transitions. [2022-12-13 11:42:05,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 11:42:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2022-12-13 11:42:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 11:42:05,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:05,054 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] [2022-12-13 11:42:05,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:42:05,055 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:05,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash -500338487, now seen corresponding path program 1 times [2022-12-13 11:42:05,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:05,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601976430] [2022-12-13 11:42:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:42:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:42:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:42:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:05,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:05,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601976430] [2022-12-13 11:42:05,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601976430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:05,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:05,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:42:05,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792035752] [2022-12-13 11:42:05,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:05,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:42:05,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:05,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:42:05,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:05,143 INFO L87 Difference]: Start difference. First operand 149 states and 186 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 11:42:05,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:05,239 INFO L93 Difference]: Finished difference Result 300 states and 384 transitions. [2022-12-13 11:42:05,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:42:05,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-12-13 11:42:05,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:05,242 INFO L225 Difference]: With dead ends: 300 [2022-12-13 11:42:05,242 INFO L226 Difference]: Without dead ends: 159 [2022-12-13 11:42:05,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:42:05,244 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 73 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:05,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 278 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:42:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-13 11:42:05,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2022-12-13 11:42:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 127 states have internal predecessors, (149), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-12-13 11:42:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2022-12-13 11:42:05,255 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 55 [2022-12-13 11:42:05,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:05,255 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2022-12-13 11:42:05,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 11:42:05,256 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2022-12-13 11:42:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 11:42:05,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:05,256 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] [2022-12-13 11:42:05,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:42:05,257 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:05,257 INFO L85 PathProgramCache]: Analyzing trace with hash -359789877, now seen corresponding path program 1 times [2022-12-13 11:42:05,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:05,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990676915] [2022-12-13 11:42:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:05,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:42:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 11:42:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:42:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:05,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:05,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990676915] [2022-12-13 11:42:05,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990676915] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:05,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:05,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:42:05,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086219106] [2022-12-13 11:42:05,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:05,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:42:05,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:05,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:42:05,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:42:05,334 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 11:42:05,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:05,510 INFO L93 Difference]: Finished difference Result 423 states and 549 transitions. [2022-12-13 11:42:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:42:05,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-12-13 11:42:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:05,512 INFO L225 Difference]: With dead ends: 423 [2022-12-13 11:42:05,513 INFO L226 Difference]: Without dead ends: 280 [2022-12-13 11:42:05,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:42:05,514 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 214 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:05,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 297 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:42:05,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-12-13 11:42:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 278. [2022-12-13 11:42:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 214 states have (on average 1.2242990654205608) internal successors, (262), 226 states have internal predecessors, (262), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2022-12-13 11:42:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 349 transitions. [2022-12-13 11:42:05,547 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 349 transitions. Word has length 55 [2022-12-13 11:42:05,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:05,547 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 349 transitions. [2022-12-13 11:42:05,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 11:42:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 349 transitions. [2022-12-13 11:42:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-13 11:42:05,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:05,549 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, 1, 1, 1, 1] [2022-12-13 11:42:05,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:42:05,550 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:05,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:05,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1504091825, now seen corresponding path program 1 times [2022-12-13 11:42:05,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:05,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335256273] [2022-12-13 11:42:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 11:42:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 11:42:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 11:42:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 11:42:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:42:05,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:05,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335256273] [2022-12-13 11:42:05,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335256273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:42:05,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:42:05,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 11:42:05,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391875057] [2022-12-13 11:42:05,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:42:05,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 11:42:05,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:05,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 11:42:05,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:42:05,768 INFO L87 Difference]: Start difference. First operand 278 states and 349 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 11:42:06,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:06,383 INFO L93 Difference]: Finished difference Result 757 states and 998 transitions. [2022-12-13 11:42:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-13 11:42:06,384 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2022-12-13 11:42:06,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:06,386 INFO L225 Difference]: With dead ends: 757 [2022-12-13 11:42:06,387 INFO L226 Difference]: Without dead ends: 537 [2022-12-13 11:42:06,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=806, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 11:42:06,388 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 658 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:06,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 534 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 11:42:06,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-12-13 11:42:06,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 433. [2022-12-13 11:42:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 335 states have (on average 1.2119402985074628) internal successors, (406), 356 states have internal predecessors, (406), 51 states have call successors, (51), 39 states have call predecessors, (51), 46 states have return successors, (83), 52 states have call predecessors, (83), 51 states have call successors, (83) [2022-12-13 11:42:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 540 transitions. [2022-12-13 11:42:06,425 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 540 transitions. Word has length 59 [2022-12-13 11:42:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:06,426 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 540 transitions. [2022-12-13 11:42:06,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 11:42:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 540 transitions. [2022-12-13 11:42:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-13 11:42:06,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:42:06,427 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, 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, 1, 1, 1, 1, 1] [2022-12-13 11:42:06,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 11:42:06,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:42:06,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:42:06,428 INFO L85 PathProgramCache]: Analyzing trace with hash -808581914, now seen corresponding path program 1 times [2022-12-13 11:42:06,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:42:06,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981863702] [2022-12-13 11:42:06,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:06,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:42:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 11:42:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:42:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:42:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:42:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 11:42:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:42:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:42:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 11:42:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 11:42:06,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:42:06,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981863702] [2022-12-13 11:42:06,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981863702] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:42:06,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811018300] [2022-12-13 11:42:06,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:42:06,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:42:06,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:42:06,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:42:06,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:42:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:42:06,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 11:42:06,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:42:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:42:06,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:42:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 11:42:07,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811018300] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:42:07,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 11:42:07,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-12-13 11:42:07,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009249367] [2022-12-13 11:42:07,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 11:42:07,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 11:42:07,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:42:07,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 11:42:07,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-13 11:42:07,021 INFO L87 Difference]: Start difference. First operand 433 states and 540 transitions. Second operand has 16 states, 16 states have (on average 7.75) internal successors, (124), 11 states have internal predecessors, (124), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 11:42:07,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:42:07,923 INFO L93 Difference]: Finished difference Result 907 states and 1158 transitions. [2022-12-13 11:42:07,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 11:42:07,924 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 11 states have internal predecessors, (124), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 100 [2022-12-13 11:42:07,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:42:07,925 INFO L225 Difference]: With dead ends: 907 [2022-12-13 11:42:07,925 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:42:07,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 221 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=287, Invalid=1353, Unknown=0, NotChecked=0, Total=1640 [2022-12-13 11:42:07,929 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 385 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:42:07,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 1490 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:42:07,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:42:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:42:07,930 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) [2022-12-13 11:42:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:42:07,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2022-12-13 11:42:07,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:42:07,931 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:42:07,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 11 states have internal predecessors, (124), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 11:42:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:42:07,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:42:07,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:42:07,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:42:08,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 11:42:08,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:42:11,227 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 822 828) no Hoare annotation was computed. [2022-12-13 11:42:11,227 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 822 828) the Hoare annotation is: true [2022-12-13 11:42:11,227 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 232 243) no Hoare annotation was computed. [2022-12-13 11:42:11,227 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 232 243) the Hoare annotation is: true [2022-12-13 11:42:11,227 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 232 243) no Hoare annotation was computed. [2022-12-13 11:42:11,228 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 299 307) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 11:42:11,228 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 795 821) no Hoare annotation was computed. [2022-12-13 11:42:11,228 INFO L895 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 11:42:11,228 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (or .cse8 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse5) (or .cse8 .cse0 .cse5 .cse6) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse9 .cse4) .cse5 (and .cse2 .cse9 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 11:42:11,228 INFO L899 garLoopResultBuilder]: For program point L705-1(line 705) no Hoare annotation was computed. [2022-12-13 11:42:11,229 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 276 284) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse8 (and .cse7 .cse9) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse9) .cse5)) (or .cse8 .cse0 .cse5 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse6) (let ((.cse10 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse10 .cse4) .cse5 (and .cse2 .cse10 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 11:42:11,229 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-12-13 11:42:11,229 INFO L895 garLoopResultBuilder]: At program point L875-1(lines 856 880) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (not (<= 2 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4))) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse7) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse7) .cse5)) (let ((.cse8 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse6 .cse8 .cse4) .cse5 (and .cse2 .cse8 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 11:42:11,229 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2022-12-13 11:42:11,230 INFO L899 garLoopResultBuilder]: For program point L999(lines 999 1003) no Hoare annotation was computed. [2022-12-13 11:42:11,230 INFO L899 garLoopResultBuilder]: For program point L999-2(lines 999 1003) no Hoare annotation was computed. [2022-12-13 11:42:11,230 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-12-13 11:42:11,230 INFO L895 garLoopResultBuilder]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-12-13 11:42:11,230 INFO L899 garLoopResultBuilder]: For program point L690-1(line 690) no Hoare annotation was computed. [2022-12-13 11:42:11,230 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-12-13 11:42:11,230 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 795 821) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-12-13 11:42:11,230 INFO L899 garLoopResultBuilder]: For program point L707(lines 707 717) no Hoare annotation was computed. [2022-12-13 11:42:11,231 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 808) no Hoare annotation was computed. [2022-12-13 11:42:11,231 INFO L899 garLoopResultBuilder]: For program point L802-2(lines 798 820) no Hoare annotation was computed. [2022-12-13 11:42:11,231 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 872) no Hoare annotation was computed. [2022-12-13 11:42:11,231 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 907 914) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse4 (not (<= 2 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4))) [2022-12-13 11:42:11,231 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2022-12-13 11:42:11,231 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 990 1008) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 11:42:11,231 INFO L895 garLoopResultBuilder]: At program point L703-1(lines 695 723) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not .cse6)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) .cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2) .cse4)) (let ((.cse7 (<= ~waterLevel~0 2))) (or .cse3 .cse5 (and .cse1 .cse6 .cse7 .cse8) .cse4 (and .cse9 .cse6 .cse7 .cse8) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse0 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse3 .cse4 .cse10) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse6 .cse11 .cse8) .cse3 .cse5 (and .cse9 .cse6 .cse11 .cse8) .cse4 .cse10))))) [2022-12-13 11:42:11,231 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 877) no Hoare annotation was computed. [2022-12-13 11:42:11,231 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 216) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L895 garLoopResultBuilder]: At program point L212-2(lines 208 219) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 11:42:11,232 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 685 694) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 795 821) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 99 128) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L902 garLoopResultBuilder]: At program point L124(lines 99 128) the Hoare annotation is: true [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L902 garLoopResultBuilder]: At program point L113-1(lines 113 117) the Hoare annotation is: true [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L902 garLoopResultBuilder]: At program point L109-2(lines 109 123) the Hoare annotation is: true [2022-12-13 11:42:11,232 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 99 128) the Hoare annotation is: true [2022-12-13 11:42:11,232 INFO L902 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L899 garLoopResultBuilder]: For program point L737(lines 737 741) no Hoare annotation was computed. [2022-12-13 11:42:11,232 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 165 175) the Hoare annotation is: true [2022-12-13 11:42:11,233 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 11:42:11,233 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 176 198) the Hoare annotation is: true [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L895 garLoopResultBuilder]: At program point L771-2(lines 765 776) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point L755(lines 755 761) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point L755-1(lines 755 761) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L902 garLoopResultBuilder]: At program point L784(lines 725 788) the Hoare annotation is: true [2022-12-13 11:42:11,233 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-12-13 11:42:11,233 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 156 162) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 193) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 193) no Hoare annotation was computed. [2022-12-13 11:42:11,233 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 677 684) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 11:42:11,233 INFO L895 garLoopResultBuilder]: At program point L781(lines 734 782) the Hoare annotation is: false [2022-12-13 11:42:11,233 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 11:42:11,234 INFO L899 garLoopResultBuilder]: For program point L736(lines 735 780) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L899 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point L778(lines 735 780) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-12-13 11:42:11,234 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L899 garLoopResultBuilder]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 11:42:11,234 INFO L899 garLoopResultBuilder]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 830 854) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 285 298) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) .cse2 (and .cse1 (<= 2 ~waterLevel~0)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 11:42:11,234 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2022-12-13 11:42:11,234 INFO L895 garLoopResultBuilder]: At program point L897-2(lines 890 906) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse0 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 11:42:11,235 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 971 989) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and .cse2 (<= 2 ~waterLevel~0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 11:42:11,235 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 830 854) no Hoare annotation was computed. [2022-12-13 11:42:11,235 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 984) no Hoare annotation was computed. [2022-12-13 11:42:11,235 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2022-12-13 11:42:11,235 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 244 252) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))))) [2022-12-13 11:42:11,235 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 11:42:11,235 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 915 925) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))))) [2022-12-13 11:42:11,235 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 846) no Hoare annotation was computed. [2022-12-13 11:42:11,235 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 881 888) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-12-13 11:42:11,235 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 851) no Hoare annotation was computed. [2022-12-13 11:42:11,235 INFO L899 garLoopResultBuilder]: For program point L224-1(lines 220 231) no Hoare annotation was computed. [2022-12-13 11:42:11,235 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 220 231) no Hoare annotation was computed. [2022-12-13 11:42:11,235 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 220 231) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~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 (not (= ~pumpRunning~0 0)) .cse0 .cse2 .cse3))) [2022-12-13 11:42:11,236 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 926 934) no Hoare annotation was computed. [2022-12-13 11:42:11,236 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 926 934) no Hoare annotation was computed. [2022-12-13 11:42:11,236 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 926 934) the Hoare annotation is: true [2022-12-13 11:42:11,238 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:42:11,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:42:11,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:42:11 BoogieIcfgContainer [2022-12-13 11:42:11,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:42:11,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:42:11,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:42:11,264 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:42:11,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:42:03" (3/4) ... [2022-12-13 11:42:11,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:42:11,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 11:42:11,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 11:42:11,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 11:42:11,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 11:42:11,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 11:42:11,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 11:42:11,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-12-13 11:42:11,281 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-13 11:42:11,282 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 11:42:11,283 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 11:42:11,284 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:42:11,284 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:42:11,309 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-12-13 11:42:11,309 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-12-13 11:42:11,309 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-12-13 11:42:11,309 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2022-12-13 11:42:11,310 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 11:42:11,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-12-13 11:42:11,311 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)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (((\result <= 2 && tmp <= 2) && 1 < tmp) && 2 <= \result)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-12-13 11:42:11,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\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))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 11:42:11,312 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) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-12-13 11:42:11,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\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))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 11:42:11,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-12-13 11:42:11,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 11:42:11,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-12-13 11:42:11,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 11:42:11,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-12-13 11:42:11,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-12-13 11:42:11,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-12-13 11:42:11,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 11:42:11,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-12-13 11:42:11,329 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:42:11,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:42:11,330 INFO L158 Benchmark]: Toolchain (without parser) took 8421.03ms. Allocated memory is still 136.3MB. Free memory was 101.5MB in the beginning and 46.1MB in the end (delta: 55.4MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-12-13 11:42:11,330 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:42:11,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.54ms. Allocated memory is still 136.3MB. Free memory was 101.5MB in the beginning and 82.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 11:42:11,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.63ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:42:11,331 INFO L158 Benchmark]: Boogie Preprocessor took 26.13ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 78.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:42:11,332 INFO L158 Benchmark]: RCFGBuilder took 357.08ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 99.5MB in the end (delta: -21.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-12-13 11:42:11,332 INFO L158 Benchmark]: TraceAbstraction took 7642.74ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 52.4MB in the end (delta: 46.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-12-13 11:42:11,332 INFO L158 Benchmark]: Witness Printer took 66.00ms. Allocated memory is still 136.3MB. Free memory was 52.4MB in the beginning and 46.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 11:42:11,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.54ms. Allocated memory is still 136.3MB. Free memory was 101.5MB in the beginning and 82.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.63ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 80.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.13ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 78.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.08ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 99.5MB in the end (delta: -21.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7642.74ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 52.4MB in the end (delta: 46.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Witness Printer took 66.00ms. Allocated memory is still 136.3MB. Free memory was 52.4MB in the beginning and 46.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1851 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1822 mSDsluCounter, 4097 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3017 mSDsCounter, 527 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2310 IncrementalHoareTripleChecker+Invalid, 2837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 527 mSolverCounterUnsat, 1080 mSDtfsCounter, 2310 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 292 SyntacticMatches, 4 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=9, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 137 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 1014 PreInvPairs, 1220 NumberOfFragments, 1918 HoareAnnotationTreeSize, 1014 FomulaSimplifications, 788 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 9118 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 1392 SizeOfPredicates, 3 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 100/126 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: 156]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\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))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 695]: 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)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (((\result <= 2 && tmp <= 2) && 1 < tmp) && 2 <= \result)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 50]: 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) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\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))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-12-13 11:42:11,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbacddec-7489-41b9-9c8e-adac59a92a47/bin/uautomizer-uyxdKDjOR8/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