./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8 --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 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c --- 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-e04fb08 [2022-11-16 10:55:20,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:55:20,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:55:20,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:55:20,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:55:20,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:55:20,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:55:20,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:55:20,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:55:20,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:55:20,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:55:20,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:55:20,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:55:20,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:55:20,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:55:20,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:55:20,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:55:20,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:55:20,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:55:20,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:55:20,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:55:20,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:55:20,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:55:20,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:55:20,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:55:20,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:55:20,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:55:20,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:55:20,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:55:20,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:55:20,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:55:20,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:55:20,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:55:20,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:55:20,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:55:20,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:55:20,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:55:20,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:55:20,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:55:20,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:55:20,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:55:20,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 10:55:20,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:55:20,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:55:20,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:55:20,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:55:20,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:55:20,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:55:20,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:55:20,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:55:20,489 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:55:20,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:55:20,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:55:20,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:55:20,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:55:20,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:55:20,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:55:20,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:55:20,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:55:20,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:55:20,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:55:20,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:55:20,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:55:20,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:55:20,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:55:20,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:55:20,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:55:20,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:55:20,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:55:20,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:55:20,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:55:20,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:55:20,495 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:55:20,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:55:20,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:55:20,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c [2022-11-16 10:55:20,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:55:20,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:55:20,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:55:20,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:55:20,821 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:55:20,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2022-11-16 10:55:20,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/data/45a22c4cc/4acf17d6c6e547cdb002e525c66b1aed/FLAG579f167a3 [2022-11-16 10:55:21,493 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:55:21,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2022-11-16 10:55:21,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/data/45a22c4cc/4acf17d6c6e547cdb002e525c66b1aed/FLAG579f167a3 [2022-11-16 10:55:21,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/data/45a22c4cc/4acf17d6c6e547cdb002e525c66b1aed [2022-11-16 10:55:21,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:55:21,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:55:21,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:21,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:55:21,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:55:21,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:21" (1/1) ... [2022-11-16 10:55:21,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf5b508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:21, skipping insertion in model container [2022-11-16 10:55:21,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:21" (1/1) ... [2022-11-16 10:55:21,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:55:21,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:55:22,112 WARN L229 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_a6d697c7-e486-4b10-9043-60a1b7dbdaba/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2022-11-16 10:55:22,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:22,157 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:55:22,228 WARN L229 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_a6d697c7-e486-4b10-9043-60a1b7dbdaba/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2022-11-16 10:55:22,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:22,294 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:55:22,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22 WrapperNode [2022-11-16 10:55:22,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:22,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:22,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:55:22,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:55:22,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,355 INFO L138 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 291 [2022-11-16 10:55:22,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:22,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:55:22,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:55:22,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:55:22,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:55:22,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:55:22,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:55:22,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:55:22,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (1/1) ... [2022-11-16 10:55:22,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:55:22,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:22,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:55:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:55:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 10:55:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 10:55:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 10:55:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 10:55:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 10:55:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 10:55:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:55:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:55:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 10:55:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 10:55:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 10:55:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 10:55:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 10:55:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 10:55:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 10:55:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 10:55:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:55:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 10:55:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 10:55:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:55:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:55:22,656 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:55:22,672 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:55:23,067 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:55:23,074 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:55:23,074 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:55:23,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:23 BoogieIcfgContainer [2022-11-16 10:55:23,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:55:23,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:55:23,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:55:23,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:55:23,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:55:21" (1/3) ... [2022-11-16 10:55:23,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b7c787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:55:23, skipping insertion in model container [2022-11-16 10:55:23,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:22" (2/3) ... [2022-11-16 10:55:23,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b7c787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:55:23, skipping insertion in model container [2022-11-16 10:55:23,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:23" (3/3) ... [2022-11-16 10:55:23,095 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2022-11-16 10:55:23,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:55:23,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 10:55:23,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:55:23,181 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;@1e2c294e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:55:23,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 10:55:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 92 states have internal predecessors, (111), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-16 10:55:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 10:55:23,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:23,197 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:23,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:23,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:23,207 INFO L85 PathProgramCache]: Analyzing trace with hash 158818465, now seen corresponding path program 1 times [2022-11-16 10:55:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:23,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280698757] [2022-11-16 10:55:23,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:23,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:23,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:55:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:55:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:55:23,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:23,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280698757] [2022-11-16 10:55:23,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280698757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:23,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:23,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:55:23,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550819048] [2022-11-16 10:55:23,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:23,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 10:55:23,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:23,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 10:55:23,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 10:55:23,516 INFO L87 Difference]: Start difference. First operand has 109 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 92 states have internal predecessors, (111), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:55:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:23,557 INFO L93 Difference]: Finished difference Result 209 states and 284 transitions. [2022-11-16 10:55:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 10:55:23,560 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 10:55:23,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:23,572 INFO L225 Difference]: With dead ends: 209 [2022-11-16 10:55:23,575 INFO L226 Difference]: Without dead ends: 100 [2022-11-16 10:55:23,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 10:55:23,581 INFO L413 NwaCegarLoop]: 139 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, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:23,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:55:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-16 10:55:23,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-11-16 10:55:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 84 states have internal predecessors, (97), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 10:55:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 130 transitions. [2022-11-16 10:55:23,653 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 130 transitions. Word has length 32 [2022-11-16 10:55:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:23,654 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 130 transitions. [2022-11-16 10:55:23,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:55:23,656 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 130 transitions. [2022-11-16 10:55:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 10:55:23,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:23,664 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:23,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 10:55:23,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:23,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1314152562, now seen corresponding path program 1 times [2022-11-16 10:55:23,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:23,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77384570] [2022-11-16 10:55:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 10:55:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 10:55:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:55:23,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:23,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77384570] [2022-11-16 10:55:23,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77384570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:23,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:23,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:55:23,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122880980] [2022-11-16 10:55:23,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:23,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:23,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:23,923 INFO L87 Difference]: Start difference. First operand 100 states and 130 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:55:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:23,967 INFO L93 Difference]: Finished difference Result 161 states and 209 transitions. [2022-11-16 10:55:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:23,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 10:55:23,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:23,973 INFO L225 Difference]: With dead ends: 161 [2022-11-16 10:55:23,973 INFO L226 Difference]: Without dead ends: 91 [2022-11-16 10:55:23,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:23,975 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 16 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:23,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:55:23,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-16 10:55:24,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-16 10:55:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 78 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 10:55:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2022-11-16 10:55:24,007 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2022-11-16 10:55:24,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:24,008 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2022-11-16 10:55:24,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:55:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-11-16 10:55:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 10:55:24,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:24,010 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] [2022-11-16 10:55:24,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 10:55:24,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:24,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:24,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1623741410, now seen corresponding path program 1 times [2022-11-16 10:55:24,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:24,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495887298] [2022-11-16 10:55:24,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:24,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:24,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:55:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:24,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 10:55:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:55:24,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:24,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495887298] [2022-11-16 10:55:24,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495887298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:24,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:24,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:55:24,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813502159] [2022-11-16 10:55:24,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:24,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:55:24,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:24,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:55:24,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:24,153 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:55:24,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:24,185 INFO L93 Difference]: Finished difference Result 256 states and 338 transitions. [2022-11-16 10:55:24,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:55:24,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-16 10:55:24,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:24,188 INFO L225 Difference]: With dead ends: 256 [2022-11-16 10:55:24,189 INFO L226 Difference]: Without dead ends: 173 [2022-11-16 10:55:24,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:55:24,191 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 93 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:24,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 252 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:55:24,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-16 10:55:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2022-11-16 10:55:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 125 states have (on average 1.344) internal successors, (168), 144 states have internal predecessors, (168), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-16 10:55:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 224 transitions. [2022-11-16 10:55:24,217 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 224 transitions. Word has length 37 [2022-11-16 10:55:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:24,217 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 224 transitions. [2022-11-16 10:55:24,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:55:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 224 transitions. [2022-11-16 10:55:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 10:55:24,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:24,220 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:24,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 10:55:24,220 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:24,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1317125140, now seen corresponding path program 1 times [2022-11-16 10:55:24,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:24,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217711919] [2022-11-16 10:55:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 10:55:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 10:55:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 10:55:24,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:24,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217711919] [2022-11-16 10:55:24,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217711919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:24,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:24,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:55:24,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560673766] [2022-11-16 10:55:24,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:24,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:55:24,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:24,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:24,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:24,557 INFO L87 Difference]: Start difference. First operand 170 states and 224 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:55:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:24,815 INFO L93 Difference]: Finished difference Result 442 states and 599 transitions. [2022-11-16 10:55:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 10:55:24,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-16 10:55:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:24,818 INFO L225 Difference]: With dead ends: 442 [2022-11-16 10:55:24,826 INFO L226 Difference]: Without dead ends: 280 [2022-11-16 10:55:24,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 10:55:24,829 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 57 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:24,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 563 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:55:24,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-11-16 10:55:24,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 267. [2022-11-16 10:55:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 198 states have (on average 1.292929292929293) internal successors, (256), 215 states have internal predecessors, (256), 38 states have call successors, (38), 30 states have call predecessors, (38), 30 states have return successors, (50), 33 states have call predecessors, (50), 38 states have call successors, (50) [2022-11-16 10:55:24,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 344 transitions. [2022-11-16 10:55:24,865 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 344 transitions. Word has length 41 [2022-11-16 10:55:24,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:24,866 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 344 transitions. [2022-11-16 10:55:24,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:55:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 344 transitions. [2022-11-16 10:55:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 10:55:24,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:24,868 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] [2022-11-16 10:55:24,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 10:55:24,869 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:24,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:24,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1401707673, now seen corresponding path program 1 times [2022-11-16 10:55:24,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:24,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240100605] [2022-11-16 10:55:24,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:24,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:55:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:55:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 10:55:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:55:25,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:25,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240100605] [2022-11-16 10:55:25,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240100605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:25,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:25,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:55:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527373438] [2022-11-16 10:55:25,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:25,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:55:25,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:25,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:25,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:25,100 INFO L87 Difference]: Start difference. First operand 267 states and 344 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 10:55:25,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:25,319 INFO L93 Difference]: Finished difference Result 594 states and 777 transitions. [2022-11-16 10:55:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 10:55:25,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-11-16 10:55:25,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:25,332 INFO L225 Difference]: With dead ends: 594 [2022-11-16 10:55:25,332 INFO L226 Difference]: Without dead ends: 335 [2022-11-16 10:55:25,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:55:25,335 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 74 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:25,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 439 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:55:25,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-11-16 10:55:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 327. [2022-11-16 10:55:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 244 states have (on average 1.2704918032786885) internal successors, (310), 261 states have internal predecessors, (310), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2022-11-16 10:55:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 416 transitions. [2022-11-16 10:55:25,389 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 416 transitions. Word has length 56 [2022-11-16 10:55:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:25,390 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 416 transitions. [2022-11-16 10:55:25,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 10:55:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 416 transitions. [2022-11-16 10:55:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 10:55:25,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:25,392 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] [2022-11-16 10:55:25,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 10:55:25,393 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:25,393 INFO L85 PathProgramCache]: Analyzing trace with hash -979005847, now seen corresponding path program 1 times [2022-11-16 10:55:25,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:25,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069709036] [2022-11-16 10:55:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:25,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:55:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:55:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 10:55:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:55:25,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:25,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069709036] [2022-11-16 10:55:25,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069709036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:25,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:25,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:55:25,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562374061] [2022-11-16 10:55:25,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:25,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:55:25,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:25,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:55:25,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:55:25,525 INFO L87 Difference]: Start difference. First operand 327 states and 416 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:55:25,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:25,905 INFO L93 Difference]: Finished difference Result 670 states and 875 transitions. [2022-11-16 10:55:25,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 10:55:25,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-11-16 10:55:25,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:25,908 INFO L225 Difference]: With dead ends: 670 [2022-11-16 10:55:25,909 INFO L226 Difference]: Without dead ends: 351 [2022-11-16 10:55:25,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-16 10:55:25,927 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 230 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:25,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 490 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 10:55:25,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-11-16 10:55:25,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 331. [2022-11-16 10:55:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 248 states have (on average 1.2661290322580645) internal successors, (314), 265 states have internal predecessors, (314), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2022-11-16 10:55:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 420 transitions. [2022-11-16 10:55:25,986 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 420 transitions. Word has length 56 [2022-11-16 10:55:25,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:25,986 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 420 transitions. [2022-11-16 10:55:25,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:55:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 420 transitions. [2022-11-16 10:55:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 10:55:25,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:25,989 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] [2022-11-16 10:55:25,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 10:55:25,989 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:25,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1510523115, now seen corresponding path program 1 times [2022-11-16 10:55:25,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:25,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715019868] [2022-11-16 10:55:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 10:55:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:55:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 10:55:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:55:26,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:26,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715019868] [2022-11-16 10:55:26,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715019868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:26,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:26,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:55:26,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121264714] [2022-11-16 10:55:26,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:26,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:55:26,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:26,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:55:26,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:55:26,108 INFO L87 Difference]: Start difference. First operand 331 states and 420 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:55:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:26,429 INFO L93 Difference]: Finished difference Result 946 states and 1245 transitions. [2022-11-16 10:55:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 10:55:26,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-11-16 10:55:26,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:26,436 INFO L225 Difference]: With dead ends: 946 [2022-11-16 10:55:26,436 INFO L226 Difference]: Without dead ends: 623 [2022-11-16 10:55:26,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:55:26,445 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 244 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:26,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 364 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:55:26,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-11-16 10:55:26,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 616. [2022-11-16 10:55:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 459 states have (on average 1.2287581699346406) internal successors, (564), 485 states have internal predecessors, (564), 83 states have call successors, (83), 67 states have call predecessors, (83), 73 states have return successors, (135), 84 states have call predecessors, (135), 83 states have call successors, (135) [2022-11-16 10:55:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 782 transitions. [2022-11-16 10:55:26,524 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 782 transitions. Word has length 56 [2022-11-16 10:55:26,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:26,525 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 782 transitions. [2022-11-16 10:55:26,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:55:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 782 transitions. [2022-11-16 10:55:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-16 10:55:26,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:26,529 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, 1] [2022-11-16 10:55:26,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 10:55:26,529 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:26,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash -193074427, now seen corresponding path program 1 times [2022-11-16 10:55:26,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:26,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100169788] [2022-11-16 10:55:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:26,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:55:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 10:55:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 10:55:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 10:55:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:26,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:55:26,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:26,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100169788] [2022-11-16 10:55:26,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100169788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:26,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:26,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 10:55:26,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801033629] [2022-11-16 10:55:26,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:26,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 10:55:26,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:26,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 10:55:26,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:55:26,828 INFO L87 Difference]: Start difference. First operand 616 states and 782 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-16 10:55:27,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:27,942 INFO L93 Difference]: Finished difference Result 1697 states and 2268 transitions. [2022-11-16 10:55:27,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-16 10:55:27,943 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 60 [2022-11-16 10:55:27,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:27,950 INFO L225 Difference]: With dead ends: 1697 [2022-11-16 10:55:27,951 INFO L226 Difference]: Without dead ends: 1202 [2022-11-16 10:55:27,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 10:55:27,955 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 713 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:27,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 587 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 10:55:27,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-11-16 10:55:28,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1048. [2022-11-16 10:55:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 782 states have (on average 1.227621483375959) internal successors, (960), 834 states have internal predecessors, (960), 140 states have call successors, (140), 106 states have call predecessors, (140), 125 states have return successors, (230), 139 states have call predecessors, (230), 140 states have call successors, (230) [2022-11-16 10:55:28,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1330 transitions. [2022-11-16 10:55:28,061 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1330 transitions. Word has length 60 [2022-11-16 10:55:28,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:28,061 INFO L495 AbstractCegarLoop]: Abstraction has 1048 states and 1330 transitions. [2022-11-16 10:55:28,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-16 10:55:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1330 transitions. [2022-11-16 10:55:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-16 10:55:28,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:28,064 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:28,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 10:55:28,064 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:28,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:28,065 INFO L85 PathProgramCache]: Analyzing trace with hash -182301856, now seen corresponding path program 1 times [2022-11-16 10:55:28,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:28,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219456294] [2022-11-16 10:55:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:28,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:55:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:55:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 10:55:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 10:55:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 10:55:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 10:55:28,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:28,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219456294] [2022-11-16 10:55:28,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219456294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:28,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:28,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 10:55:28,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783698910] [2022-11-16 10:55:28,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:28,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 10:55:28,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:28,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 10:55:28,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:55:28,205 INFO L87 Difference]: Start difference. First operand 1048 states and 1330 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-16 10:55:28,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:28,614 INFO L93 Difference]: Finished difference Result 1277 states and 1611 transitions. [2022-11-16 10:55:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 10:55:28,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2022-11-16 10:55:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:28,620 INFO L225 Difference]: With dead ends: 1277 [2022-11-16 10:55:28,620 INFO L226 Difference]: Without dead ends: 520 [2022-11-16 10:55:28,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-16 10:55:28,625 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 348 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:28,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 324 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 10:55:28,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2022-11-16 10:55:28,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 476. [2022-11-16 10:55:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 356 states have (on average 1.1853932584269662) internal successors, (422), 378 states have internal predecessors, (422), 62 states have call successors, (62), 47 states have call predecessors, (62), 57 states have return successors, (104), 62 states have call predecessors, (104), 62 states have call successors, (104) [2022-11-16 10:55:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 588 transitions. [2022-11-16 10:55:28,679 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 588 transitions. Word has length 90 [2022-11-16 10:55:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:28,682 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 588 transitions. [2022-11-16 10:55:28,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-16 10:55:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 588 transitions. [2022-11-16 10:55:28,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-16 10:55:28,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:28,692 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, 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, 1, 1, 1, 1, 1] [2022-11-16 10:55:28,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 10:55:28,692 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:28,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:28,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1799468227, now seen corresponding path program 1 times [2022-11-16 10:55:28,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:28,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818884032] [2022-11-16 10:55:28,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:28,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:55:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 10:55:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 10:55:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 10:55:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 10:55:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:55:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 10:55:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 10:55:28,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:28,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818884032] [2022-11-16 10:55:28,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818884032] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:55:28,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266714019] [2022-11-16 10:55:28,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:28,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:55:28,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:28,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:55:28,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 10:55:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:29,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 10:55:29,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:29,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:55:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 10:55:29,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266714019] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 10:55:29,615 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 10:55:29,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-11-16 10:55:29,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936863229] [2022-11-16 10:55:29,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 10:55:29,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 10:55:29,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:29,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 10:55:29,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-11-16 10:55:29,617 INFO L87 Difference]: Start difference. First operand 476 states and 588 transitions. Second operand has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-16 10:55:30,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:30,825 INFO L93 Difference]: Finished difference Result 979 states and 1234 transitions. [2022-11-16 10:55:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 10:55:30,825 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) Word has length 109 [2022-11-16 10:55:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:30,826 INFO L225 Difference]: With dead ends: 979 [2022-11-16 10:55:30,826 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 10:55:30,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 243 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=345, Invalid=1137, Unknown=0, NotChecked=0, Total=1482 [2022-11-16 10:55:30,830 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 432 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:30,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 972 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 10:55:30,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 10:55:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 10:55:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:55:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 10:55:30,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2022-11-16 10:55:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:30,833 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:55:30,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-16 10:55:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:55:30,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 10:55:30,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 10:55:30,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 10:55:31,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 10:55:31,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 10:55:36,749 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 871 878) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0)) .cse1))) [2022-11-16 10:55:36,749 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 871 878) no Hoare annotation was computed. [2022-11-16 10:55:36,749 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 871 878) no Hoare annotation was computed. [2022-11-16 10:55:36,749 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 778 784) no Hoare annotation was computed. [2022-11-16 10:55:36,750 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 778 784) the Hoare annotation is: true [2022-11-16 10:55:36,750 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 666 677) no Hoare annotation was computed. [2022-11-16 10:55:36,750 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 666 677) the Hoare annotation is: true [2022-11-16 10:55:36,750 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 666 677) no Hoare annotation was computed. [2022-11-16 10:55:36,751 INFO L895 garLoopResultBuilder]: At program point L1018(line 1018) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse9 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse10 (not (= 0 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~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 .cse9 .cse0 .cse5) (or .cse8 .cse5 .cse10 .cse6) (or .cse8 .cse9 .cse5 .cse10) (or .cse8 .cse0 .cse5 .cse6) (let ((.cse11 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse11 .cse4) .cse5 (and .cse2 .cse11 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))))) [2022-11-16 10:55:36,751 INFO L895 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2) (or .cse1 .cse3 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 (not (= 0 ~systemActive~0))))) [2022-11-16 10:55:36,751 INFO L899 garLoopResultBuilder]: For program point L1018-1(line 1018) no Hoare annotation was computed. [2022-11-16 10:55:36,751 INFO L895 garLoopResultBuilder]: At program point L857-1(lines 838 862) the Hoare annotation is: (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.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 ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse7 (and .cse6 .cse8) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse8) .cse5)) (or .cse7 .cse5 (not (= 0 ~systemActive~0))) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse6 .cse9 .cse4) .cse5 (and .cse2 .cse9 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:55:36,752 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 764) no Hoare annotation was computed. [2022-11-16 10:55:36,752 INFO L895 garLoopResultBuilder]: At program point L886(lines 879 889) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:55:36,752 INFO L899 garLoopResultBuilder]: For program point L758-2(lines 754 776) no Hoare annotation was computed. [2022-11-16 10:55:36,753 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 751 777) no Hoare annotation was computed. [2022-11-16 10:55:36,753 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-11-16 10:55:36,753 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 854) no Hoare annotation was computed. [2022-11-16 10:55:36,753 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-16 10:55:36,753 INFO L899 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2022-11-16 10:55:36,754 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 859) no Hoare annotation was computed. [2022-11-16 10:55:36,754 INFO L899 garLoopResultBuilder]: For program point L1020(lines 1020 1030) no Hoare annotation was computed. [2022-11-16 10:55:36,754 INFO L899 garLoopResultBuilder]: For program point L1016(lines 1016 1033) no Hoare annotation was computed. [2022-11-16 10:55:36,754 INFO L895 garLoopResultBuilder]: At program point L1016-1(lines 1008 1036) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse10 (and .cse7 .cse11)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= 0 ~systemActive~0))) (.cse9 (and (<= |timeShift_getWaterLevel_#res#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~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 .cse0 .cse5 .cse9 .cse6) (or .cse8 .cse10 .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse11) .cse5) (or .cse8 .cse10 .cse5 .cse12) (or .cse8 .cse5 .cse12 .cse9 .cse6) (let ((.cse13 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse13 .cse4) .cse5 (and .cse2 .cse13 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))))) [2022-11-16 10:55:36,755 INFO L895 garLoopResultBuilder]: At program point L562(lines 557 564) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 .cse2))) [2022-11-16 10:55:36,755 INFO L895 garLoopResultBuilder]: At program point L715(lines 710 718) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse7 .cse10)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= 0 ~systemActive~0))) (.cse11 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~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 .cse9 .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse10) .cse5) (or .cse8 .cse0 .cse5 .cse11 .cse6) (or .cse8 .cse9 .cse5 .cse12) (or .cse8 .cse5 .cse12 .cse11 .cse6) (let ((.cse13 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse13 .cse4) .cse5 (and .cse2 .cse13 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))))) [2022-11-16 10:55:36,755 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1027) no Hoare annotation was computed. [2022-11-16 10:55:36,755 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 765 771) no Hoare annotation was computed. [2022-11-16 10:55:36,756 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:55:36,756 INFO L895 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:55:36,756 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 751 777) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-11-16 10:55:36,756 INFO L895 garLoopResultBuilder]: At program point L1005(lines 998 1007) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse4 .cse2 .cse5 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:55:36,757 INFO L895 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:55:36,757 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 751 777) no Hoare annotation was computed. [2022-11-16 10:55:36,757 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2022-11-16 10:55:36,757 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 650) no Hoare annotation was computed. [2022-11-16 10:55:36,757 INFO L895 garLoopResultBuilder]: At program point L646-2(lines 642 653) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 10:55:36,758 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-11-16 10:55:36,758 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2022-11-16 10:55:36,758 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-11-16 10:55:36,758 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-11-16 10:55:36,758 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-11-16 10:55:36,758 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-11-16 10:55:36,759 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-11-16 10:55:36,759 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-11-16 10:55:36,759 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-11-16 10:55:36,759 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-11-16 10:55:36,759 INFO L895 garLoopResultBuilder]: At program point L985(lines 973 987) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-11-16 10:55:36,759 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2022-11-16 10:55:36,760 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2022-11-16 10:55:36,760 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2022-11-16 10:55:36,760 INFO L899 garLoopResultBuilder]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2022-11-16 10:55:36,760 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-16 10:55:36,760 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-16 10:55:36,760 INFO L895 garLoopResultBuilder]: At program point L552(lines 547 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:55:36,761 INFO L895 garLoopResultBuilder]: At program point L544(lines 540 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:55:36,761 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 10:55:36,761 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 10:55:36,761 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 10:55:36,761 INFO L895 garLoopResultBuilder]: At program point L995(lines 990 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:55:36,761 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2022-11-16 10:55:36,762 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 10:55:36,762 INFO L895 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:55:36,762 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2022-11-16 10:55:36,762 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-11-16 10:55:36,762 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-11-16 10:55:36,762 INFO L895 garLoopResultBuilder]: At program point L537(lines 533 539) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 10:55:36,763 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-16 10:55:36,763 INFO L902 garLoopResultBuilder]: At program point L628(lines 567 632) the Hoare annotation is: true [2022-11-16 10:55:36,763 INFO L895 garLoopResultBuilder]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~systemActive~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2022-11-16 10:55:36,763 INFO L902 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2022-11-16 10:55:36,763 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2022-11-16 10:55:36,763 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2022-11-16 10:55:36,764 INFO L902 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2022-11-16 10:55:36,764 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2022-11-16 10:55:36,764 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2022-11-16 10:55:36,764 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2022-11-16 10:55:36,764 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 607 620) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-16 10:55:36,765 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 786 810) 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))) [2022-11-16 10:55:36,765 INFO L895 garLoopResultBuilder]: At program point L950(lines 935 953) 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_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2 (and .cse1 (<= 2 ~waterLevel~0)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:55:36,765 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 729) no Hoare annotation was computed. [2022-11-16 10:55:36,765 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2022-11-16 10:55:36,765 INFO L899 garLoopResultBuilder]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2022-11-16 10:55:36,765 INFO L895 garLoopResultBuilder]: At program point L868(lines 863 870) 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))) [2022-11-16 10:55:36,766 INFO L895 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:55:36,766 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 786 810) no Hoare annotation was computed. [2022-11-16 10:55:36,766 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 802) no Hoare annotation was computed. [2022-11-16 10:55:36,766 INFO L895 garLoopResultBuilder]: At program point L728(lines 719 732) 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))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and .cse2 (<= 2 ~waterLevel~0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse2))))) [2022-11-16 10:55:36,766 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 807) no Hoare annotation was computed. [2022-11-16 10:55:36,767 INFO L895 garLoopResultBuilder]: At program point L805(line 805) 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))) [2022-11-16 10:55:36,767 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 786 810) no Hoare annotation was computed. [2022-11-16 10:55:36,767 INFO L899 garLoopResultBuilder]: For program point L658-1(lines 654 665) no Hoare annotation was computed. [2022-11-16 10:55:36,767 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 654 665) no Hoare annotation was computed. [2022-11-16 10:55:36,767 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 654 665) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse3 (not (= 0 ~systemActive~0))) (or .cse4 .cse0 .cse2 .cse3))) [2022-11-16 10:55:36,768 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 812 836) 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))) [2022-11-16 10:55:36,768 INFO L895 garLoopResultBuilder]: At program point L826(line 826) 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))) [2022-11-16 10:55:36,768 INFO L895 garLoopResultBuilder]: At program point L822(line 822) 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))) [2022-11-16 10:55:36,768 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 828) no Hoare annotation was computed. [2022-11-16 10:55:36,768 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 833) no Hoare annotation was computed. [2022-11-16 10:55:36,769 INFO L895 garLoopResultBuilder]: At program point L969(lines 954 972) 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))) [2022-11-16 10:55:36,769 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2022-11-16 10:55:36,769 INFO L895 garLoopResultBuilder]: At program point L738(lines 733 741) 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))) [2022-11-16 10:55:36,769 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2022-11-16 10:55:36,769 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:55:36,770 INFO L899 garLoopResultBuilder]: For program point L831-1(lines 812 836) no Hoare annotation was computed. [2022-11-16 10:55:36,770 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 812 836) no Hoare annotation was computed. [2022-11-16 10:55:36,770 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 890 898) no Hoare annotation was computed. [2022-11-16 10:55:36,770 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 890 898) the Hoare annotation is: true [2022-11-16 10:55:36,770 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 890 898) no Hoare annotation was computed. [2022-11-16 10:55:36,773 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:36,776 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 10:55:36,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:55:36 BoogieIcfgContainer [2022-11-16 10:55:36,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 10:55:36,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:55:36,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:55:36,834 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:55:36,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:23" (3/4) ... [2022-11-16 10:55:36,837 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 10:55:36,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 10:55:36,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 10:55:36,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 10:55:36,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 10:55:36,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 10:55:36,844 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:55:36,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 10:55:36,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 10:55:36,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 10:55:36,859 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-16 10:55:36,861 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 10:55:36,861 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 10:55:36,862 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 10:55:36,862 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 10:55:36,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:55:36,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:55:36,893 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)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:55:36,893 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((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))) [2022-11-16 10:55:36,894 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) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (((\result <= 2 && 1 < tmp) && tmp <= 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))) [2022-11-16 10:55:36,895 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) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:55:36,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-16 10:55:36,895 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)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:55:36,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((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))) [2022-11-16 10:55:36,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((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))) [2022-11-16 10:55:36,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-16 10:55:36,897 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)) || (1 <= \result && pumpRunning == 0)) [2022-11-16 10:55:36,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-16 10:55:36,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-11-16 10:55:36,901 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)) [2022-11-16 10:55:36,954 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 10:55:36,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:55:36,955 INFO L158 Benchmark]: Toolchain (without parser) took 15179.80ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 81.1MB in the beginning and 118.5MB in the end (delta: -37.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:36,955 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:36,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.53ms. Allocated memory is still 102.8MB. Free memory was 80.9MB in the beginning and 70.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 10:55:36,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.40ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 67.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:36,956 INFO L158 Benchmark]: Boogie Preprocessor took 72.94ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 65.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:36,957 INFO L158 Benchmark]: RCFGBuilder took 646.57ms. Allocated memory is still 102.8MB. Free memory was 65.4MB in the beginning and 45.2MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 10:55:36,957 INFO L158 Benchmark]: TraceAbstraction took 13747.23ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 44.4MB in the beginning and 124.8MB in the end (delta: -80.4MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2022-11-16 10:55:36,958 INFO L158 Benchmark]: Witness Printer took 120.85ms. Allocated memory is still 188.7MB. Free memory was 124.8MB in the beginning and 118.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 10:55:36,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.53ms. Allocated memory is still 102.8MB. Free memory was 80.9MB in the beginning and 70.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.40ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 67.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.94ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 65.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.57ms. Allocated memory is still 102.8MB. Free memory was 65.4MB in the beginning and 45.2MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13747.23ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 44.4MB in the beginning and 124.8MB in the end (delta: -80.4MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. * Witness Printer took 120.85ms. Allocated memory is still 188.7MB. Free memory was 124.8MB in the beginning and 118.5MB 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: 561]: 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 10 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2250 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2207 mSDsluCounter, 4343 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3057 mSDsCounter, 788 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2650 IncrementalHoareTripleChecker+Invalid, 3438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 788 mSolverCounterUnsat, 1286 mSDtfsCounter, 2650 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 333 SyntacticMatches, 5 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1048occurred in iteration=8, InterpolantAutomatonStates: 106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 249 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 1781 PreInvPairs, 2006 NumberOfFragments, 2340 HoareAnnotationTreeSize, 1781 FomulaSimplifications, 2017 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 11274 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 679 NumberOfCodeBlocks, 679 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 776 ConstructedInterpolants, 0 QuantifiedInterpolants, 1593 SizeOfPredicates, 3 NumberOfNonLiveVariables, 506 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 121/162 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: 678]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(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: 990]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 998]: 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)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 863]: 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: 642]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(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: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(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: 719]: 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)) || (1 <= \result && pumpRunning == 0)) - InvariantResult [Line: 710]: 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)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(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: 1008]: 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) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (((\result <= 2 && 1 < tmp) && tmp <= 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: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 838]: 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) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(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: 577]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 10:55:37,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d697c7-e486-4b10-9043-60a1b7dbdaba/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE